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Meteoro, un joven y talentoso piloto conduce el Mach 5, un supercoche de carreras blanco. Su padre, Pops Racer, no quiere que su hijo se convierta en piloto. Aun así, con el fin de reunir el dinero necesario para desarrollar el nuevo motor diseñado por su padre, Meteoro decide participar en una carrera cuyo premio es una gran suma de dinero.

Meteoro participa en la carrera de la Montaña de la Espada sin que su padre lo sepa. Sin embargo, la banda del villano Ace Ducey ataca con la intención de robar los planos del nuevo motor diseñado por Pops, que están ocultos con tinta invisible en el parabrisas del Mach 5.

Un hombre que oculta su identidad bajo una máscara, y que es llamado "el piloto enmascarado", ha llegado a Japón. Se trata de un piloto profesional que ha ganado fama en competiciones internacionales, pero también se rumorea que en cada carrera en la que participa ocurre un gran accidente, lo que le da un aire siniestro.

Tras un accidente, Meteoro pierde el conocimiento y es rescatado por el piloto enmascarado. Al despertar en la casa de este, por curiosidad, Meteoro se pone la máscara. Sin embargo, en ese momento aparecen unos hombres que buscan al piloto enmascarado, y al confundirlo con él, secuestran a Meteoro.

Meteoro conoce a un anciano llamado Clepto, cuyo mayor sueño es construir un parque de atracciones para los niños huérfanos. Pero lo que Meteoro no sabe es que ese hombre en realidad es hijo de un temido jefe de gánsteres, y que en su viejo coche Ford modelo T se esconde la pista secreta que lleva a un fabuloso tesoro.

Meteoro y Clepto caen prisioneros del temible Lengua Blaggard, jefe de la banda de gánsteres que busca apoderarse del tesoro escondido en el Ford modelo T. Pero Meteoro, tras descubrir el lugar secreto donde está oculto, decide enfrentarse a la situación proponiéndole un trato al villano.

Mientras sigue la pista del misterioso robo de los lingotes de oro, el inspector Detector, sospecha que los criminales se han escondido entre los participantes de la gran carrera a lo largo del país. ¡Y su presentimiento resulta cierto! Dentro del enorme tráiler conocido como el coche mamut viaja la peligrosa banda de delincuentes.

Meteoro y Trixie descubren que en el temible coche Mamut se esconden los responsables del robo de los lingotes de oro. Pero al caer en una trampa de los villanos, se ven en grave peligro. ¡En ese momento aparece el misterioso piloto enmascarado para rescatarlos! Ahora, juntos deberán perseguir al gigantesco coche Mamut antes de que logre escapar.

Provocado por El Serpiente, uno de los temerarios Acróbatas, Meteoro decide enfrentarlo en una peligrosa carrera. Sin embargo, Chispas y Pops caen enfermos, y Meteoro se ve obligado a competir sin que el Mach 5 reciba el mantenimiento adecuado… ¡arriesgándolo todo en la pista!

Debido a las trampas del equipo acrobático y a los fallos en los frenos del Mach 5, Meteoro cae al fondo de un profundo barranco. Pero justo en ese momento llegan Chispas y los demás para rescatarlo del peligro. Al reconciliarse con su hermano, Meteoro recupera la confianza en sí mismo y se dirige hacia el tramo más difícil y peligroso de toda la carrera… ¡el temido Valle del Infierno!

Al enterarse de que Meteoro ha caído en el temido Valle del Infierno, Trixie y los demás parten de inmediato en su auxilio. Pero Meteoro ha sido gravemente herido en los ojos y no puede ver. A pesar de ello, insiste en continuar la carrera. Entonces, el misterioso Mister X intenta guiarlo, indicándole el camino únicamente con el sonido de su motor.

Un famoso asesor del mundo de las carreras es asesinado mientras conduce un coche deportivo gris, y en el lugar del crimen se encuentra un misterioso papel con la inscripción ‘X3’. Meteoro, por orden del Inspector Detector, trata de seguir al coche del culpable… ¡pero pronto lo pierde de vista!

Meteoro participa en la esperada carrera de prueba del Paso del Diablo, celebrada por primera vez después de 15 años. Pero tras la pista, se trama un peligroso plan de venganza: un hermano y una hermana, hijos de un piloto que supuestamente murió en un accidente hace 15 años, buscan ajustar cuentas con aquellos responsables.

Meteoro sube a un avión rumbo a la gran carrera a través del desierto. Pero durante el vuelo, el Tigre Negro, el coche del famoso piloto Kim Jugger del país de Deserlandia, es destruido por una explosión provocada por una bomba. Al ser injustamente acusado del atentado, Meteoro decide viajar al país de Kim, decidido a probar su inocencia y descubrir al verdadero culpable.

While the Flathill Army soldiers set the Mach 5 aflame, Speed attacks one of the rebels. The General announces that he ordered Ali Ben Schemer, his cousin, to blow up his son's racecar because they need his help in the revolution. When Kim notes that his special brakes can never be repaired, Schemer suggests that Kim and Speed race without brakes. The next morning, Schemer gives them a sack lunch and the race begins. He then takes Trixie, Spritle, and the General prisoner. Chim Chim rescues Spritle and they escape on a camel. Meanwhile, as the Black Tiger and the Mach 5 race through the desert, the sack "lunches" open revealing deadly scorpions. Kim realizes what Schemer is up to. The scorpions are smashed; the race resumes. Later, members of the Flathill Government Army, who are after the rebels, rescue Spritle and Chim Chim. Back on the racecourse, the Black Tiger is devoured by quicksand. Kim, Speed, and the Mach 5 almost meet the same fate.

At the meeting of the League of Countries, the representative from Kapecapek announces his government's decision to close its borders to the outside world. An official proposes that if Kapecapek's racecar driver, named Kabala, beats Speed Racer, then its borders can remain closed. At the racetrack, Speed receives an invitation to the Fire Festival Race. Speed finds this peculiar because Kapecapek doesn't have a racetrack and Kabala has been missing for a long time. Nevertheless, Speed and company arrive in Kapecapek. They spot Racer X, who was also invited. That night Chief Zuma lets it be known that "the winner of the race will be bridegroom" to his granddaughter, Princess Sibana. He points out Speed as the probably winner. But when a jealous Trixie makes it clear that Speed is taken, another driver, Mr. Kadar, steps forward with his offer of matrimony. Later, Mr. Kadar captures the Princess and demands to know where the country's treasure is hidden. Speed comes to her rescue.

In the volcanic mountains of Kapecapek, Speed is competing in the most unusual race of his life. Kadar and his men find diamonds encrusted in the mountain wall. A creeping vine grabs his men (who escape), while Kadar holds Kabala at gunpoint. Speed throws a knife knocking the gun out of Kadar's hand. A fight ensues and Kabala's mask falls off, revealing Racer X. Racer X is about to give Speed an explanation when the ground caves in. Kadar and his thugs leave with the Kapecapekian treasure. Speed and Racer X find a way out. Racer X tells Speed that the real Kabala taught him "tricks on how to race on tortured roads and broken trails." Once Racer X turned professional, he had a race with his mentor, who, unfortunately, fell victim to a landslide. To return Kabala's kindness, Racer X disguised himself as Kabala to protect the Kapecapekian treasure. Kadar and his men succumb to the lava flow. Speed, followed by Racer X, exits the mountain just as it erupts and seals the split.

At the base of a tall building, Speed and company watch Twinkle Banks, star of the Universal Circus, dive off the top. Then, at the circus, they watch Twinkle drive a racecar and perform daredevil stunts. She worries about maintaining the car's momentum and faints. Speed rescues Twinkle. While the girl daredevil rests in bed, a clown (her father) tells Speed that because of a money shortage, he's having difficulty keeping the track in good repair. Speed makes a donation. Later, Speed and Trixie learn on the radio that Twinkle will drive a car, balanced on two ropes, over Niagara Falls. Because of the strong winds Speed and Trixie try to stop Twinkle. Meanwhile, Cornpone Brush, who financed the stunt, tells the clown that Twinkle will perform regardless of the hazardous weather. When Speed and Trixie arrive, Twinkle is already making her way across the Falls. Away from the crowd, Brush reads an old map. It identifies a secret cave in back of the Falls that leads to treasure.

Speed and Twinkle awake back into consciousness. They enter the cave behind the Falls. Cornpone Brotch (identified as Cornpone Brush in the previous episode) and his thugs arrive with the treasure. Speed fights off the thugs, while Brotch escapes in the Mach 5. Using her experience as an escape artist, Twinkle frees herself and Speed from the ropes that bind them. Trixie, in her helicopter, along with Spritle and Chim Chim, spots Brotch in the Mach 5. Speed and Twinkle exit the cave; Trixie picks them up. Brotch enters his secret hideout located in Mount Rushmore. Later that night, Speed and the gang find the secret entrance. Inside the mountain, Speed and company find collections of stolen art and cars, including the Mach 5. Brotch surrounds them with ferocious black panthers. While Speed fights the cats, Twinkle jumps to safety, hanging from a chandelier. Meanwhile, Trixie races in the Mach 5 to save her friends. Brotch locks them all in the room.

At midnight in a cemetery, the GRX racecar engine is unearthed. The following day Spritle and Chim are trapped inside a truck. It takes them to Oriana Flub's house, where Chim Chim is tied to a motorized go-cart. When the chimp comes to a stop, one of Oriana's men sprays a "formula" at him. As he takes off again, Oriana announces that "they'll win the Grand Prix of the Orient." At the track, a new racecar comes on the scene. Pops recognizes the sound of its engine. High in the stands, Oriana and her right-hand man, Omar watch while a thug sprays the driver of the mysterious car with the formula. At Oriana's house, Pops accuses her of stealing the engine ""out of the tomb of Bent Cranium,"" the engine's inventor. Pops adds that five test drivers and Cranium died because of the GRX. Oriana knocks him out with "sleeper gas." Meanwhile, Speed in the Mach 5, along with Trixie and Sparky, follows a flatbed truck carrying the GRX race car.

Speed has passed out behind the wheel of the GRX. Eventually, the car comes to a half at the edge of an aqueduct. Spritle and Chim Chim drag Speed out of the racecar. One of Oriana's thugs gets in the GRX and drives away. At the Racer homestead Pops sets out to ""cure"" Speed of his delusions. Later at the racetrack, the final trials for the Oriental Grand Prix are about to begin. Oriana's thug squirts the formula at Louis Towcar so that he can ""stand the speed of the GRX."" Further, he warns the driver that if he drinks water while he is driving, ""you'll get so scared, you'll lose control of the car and smash into smithereens. The race begins. Towcar tries to quench his insatiable thirst. A chemical reaction takes effect and Towcar passes out. Speed autojacks over the GRX, which blows up. Later, in her helicopter, Oriana asks Speed to drive the GRX in the upcoming race. Speed gets into the repaired GRX racecar. The thug gives him the formula. He takes off. Upon spotting Spee

The scene is one of the most secret secret places in the world, the secret National Science Institute. Professor Tower leaves late that night. He seems in very good spirits. The guards deduce that the professor has finished his latest invention, a new powerful ray called the Mesmo. Just then, the Mach Five approaches at high speed and jumps the gate. The alarm sounds, but not before the armed burglar can steal some important documents. The next day, at the Racer home, Spritle is working on a model of the Mach Five in the garage. Speed wakes up after a late night out. He turns on the television, and the news is reporting the burglary at the secret National Science Institute. Spritle takes his car out for a test drive. He pushes a button marked ""A"" on the steering wheel. The jacks extend on only one side. He then tries the other button marked ""B"" and only some of the grip tires deploy. A wheel comes off and the car crashes. Spritle lands at the feet of a cop who threatens to give him a t

Speed realizes that Cumulus isn't going to keep missing forever. He uses the autojacks and beats feet out of there with Cumulus in hot pursuit. With a clever ruse, Speed manages to destroy the Mesmo gun with the homing robot. Cumulus takes off with Speed chasing. The Cumulus 5 takes flight. Overhead, Inspector Detector is watching the fun below. Spritle and Chim Chim have stowed aboard. The Cumulus 5 dives into the water. Speed follows. He uses his nightshades to see in the dark. Cumulus heads into an underground cave. Deep in the cave, a steel door slams shut behind Cumulus and Speed crashes into it. He has less than half a tank of oxygen left. Inspector Detector is searching for the Mach Five on a rescue vessel. Spritle and Chim Chim have stowed aboard again. The inspector orders his men to catch the two and lock them in a cabin. After eluding the police, Spritle and Chim Chim don a diving suit. Chim Chim is the head, so when they meet the inspector, he sees through the disguise. Spr

This episode starts with Speed and Pops putting the finishing touches on a mini racer which the Kingdom of Sakkarin asked Pops to build for the Baby Grand Prix. The race will be held in celebration of the coronation of Prince Jam. Spritle wants to race in the Baby Grand Prix. He can't because the race is for 8 to 13 year olds, and he's only 7 years, 11 months, 23 days and 8 hours. To make matters worse, there won't be enough room to take him on the trip. This time, Speed flies on a 727 with some very large portholes. On the drive through Sakkarin, one of the suitcases falls off the trailer. Inside are Spritle and Chim Chim. Their first encounter is with a snake charmer's cobra. The palace in Sakkarin bears a striking resemblance to the Taj Mahal. Pops, when addressing the king, sounds so formal that he sounds ridiculous. He even addresses the king as, ""your royal highness majesty."" Trixie mistakes a really goofy looking royal person for Prince Jam, but it is really his cousin Prince Su

Spritle and Chim Chim land in the river below. The palace guards stand high above calling for Prince Jam. Minister Offendem convinces the king to have Pops and company arrested for building a defective racing car. With Prince Jam unaccounted for, the king agrees that Prince Sugarin will be the successor to the throne. Offendem hardly disguises his pleasure. Pops and Trixie have been arrested. As they are being led away, Offendem asks about Speed. The guards say that he got away before he could be arrested. Back at the river, Chim Chim revives Spritle by pouring water on his face. Speed is up in a tree draped over a branch. Spritle tries to wake him by honking the Mach Five's horn and Chim Chim jumps on the branch. Speed falls to the ground. Spritle admits to Speed that he's not the prince. Speed realizes that the real prince is locked up in the hotel room. The prince is out on the streets trying to get some food. No one will believe his royal lineage, however. When he claims to be the

Speed Racer, his girlfriend Trixie and all the gang are in a desperate race to save hundreds of lives from the evil clutches of The Car Hater.

A criminal hijacks the Mach Five during the Monte Carlo Rally. Speed later identifies the man, who is a famous gambler, Mr. Fastbucks, but can't prove it. When he confronts Mr. Fastbucks, Speed is told his master plan: Mr. Fastbucks has bought up coal and train companies and by blowing up the world's gas supplies, he will become fabulously rich. Instead it is Mr. Fastbucks who gets blown up.

Speed is competing in the first stage of the Sahara Race. He witnesses a man being buzzed by an airplane, registration R3513K. He uses the cutters to saw the tail off of the plane. The man is Dr. Digger O. Bone, an archaeologist. The gunman inside the aircraft tries to take one last shot at Dr. Bone but he collapses in the sand. Dr. Bone goes on to explain that the previous spring his daughter, Calcia, came over with his assistant, Splint Femur, to examine some of the Egyptian ruins. Dr. Bone gives Speed a photograph of the two. Femur claimed to have found Cleopatra's treasure. Dr. Bone scrawls the letters ""STFT"" in the sand before he dies. After doing some extensive research in the library, probably the one in Alexandria, Speed and Trixie figger out the mysterious code. The ""S"" stands for the ruins of Saqqara, which are on the banks of the Nile. The ""T"" means the ruins of Tamalamal and the other ""T"" stands for Tutankhamen. The ""F"" remains unexplained. Speed decides to drop out of the

As Speed continues to get shot at on his way to the top of the pyramid, he sees his life flash before his eyes. He takes advantage of the opportunity to recap the story. Speed throws the homing robot at the airplane. The rope which is attached gets tangled in the propeller, causing the plane to crash. Meanwhile, Trixie is being lowered into the flames. Femur uses her as an example to encourage obedience among the slaves. Speed, realizing he is running out of time, attaches the statue to the homing robot, and sends it on its way. The statue arrives just as the shadow reaches the eye, but Femur adds a new rule, Speed had to arrive in person with the statue. Speed arrives shortly. Calcia (Cleopatra) decides to spare Speed and Trixie, but puts them into service in her slave corps. Spritle is heard announcing the presence of the queen. Calcia moves the treasure hunt to the ceremonial house built by Cleopatra's father, Petranius XIII. Obviously, Calcia is not the student of Egyptian history

Speed is training for the Super Car Race on the Snack Track which is a new course that has seven curves. After a day of training Speed meets Rock Force who outmaneuvers some gangsters by driving his car on two wheels. While talking to Rock Force Speed notices that the car has a special automatic transmition. After the gangsters wreck his car Mr. Force comes to Pops Racer to have it fixed. Speed and Mr. Force get into a fight and Mr. Force reveals that he cannot use his right arm and wears a metal brace on it. Mr. Force tells how he accepted money to throw a race but won it anyhow. The gangsters then crippled his right arm to prevent him from racing and have now wrecked his car. While Pops fixes the car Speed challenges him to drive the Mach Five with its manual transmition to help 'wake up' his right arm. The next day Mr. Force wins the Snake Track race but the gangsters come forward and reveal that he cannot use his right arm. Mr. Force proceeds to punch out the gangsters and Speed gr

A bank robber escapes from prison and forces Speed to take him to where he hid the money. Other gangsters try to get the money. The convict dies, but asks that his eyes be given to his daughter, who is blind.

Early morning, somewhere in Japan, a group of black three-wheeled cars approach a pagoda, which is called the Cupola Castle. Using some very sophisticated equipment, some very nimble men in black gain entry. They plant a miniature bomb in a suit of armor. During the Fujiyama Grand Prix, Racer X is gaining on Speed, who has the lead in the 30th lap. Unknown to Speed, Racer X is his older brother Rex who ran away from home years ago. Racer X comments that Speed's even better than the last time he raced against him. The Mach Five just edges out the Shooting Star to win the race. Pops says that he wishes Rex could hear about Speed's victory. Rex does know because he's standing nearby disguised as Racer X. Speed and Trixie are off to do some sightseeing. Spritle wants to go, but Pops promises to buy him a pound of candied kumquats to leave the kids alone. Speed turns on the radio as he's cruising. First the sports news which details Speed's victory in the Fujiyama Grand Prix. Notice the ord

Speed figgers that the statues must be under some sort of remote control. Then, the statues fire pistols at him. When the smoke clears, Speed is okay, but then the assassins drop in. Speed fends off their attack, but he's met by Gat Gunsel, the leader of the local division of assassins. The organization is world-wide. Speed is ordered to walk to a statue. Behind the statue is a secret entrance to the assassins' headquarters. In a cell, the diplomats from the sightseeing boat are locked up. Speed watches the assassins demonstrate their skills. One shoots the pips out of a five of spades. Others walk through a fire; another cracks a rock with a karate chop; and another walks on the ceiling. Then the assassins show off their driving skills. The cars they drive are specialized weapons. Speed is taken to the leader of the entire assassin organization, Professor Anarchy. Speed is offered a job with the gang. Speed refuses. Professor Anarchy is going to let Speed be his 2,708th kill, a great

Speed is in Mexico and must obtain a serum to save the life of a the mayor of a village that is in danger of falling into the hands of the man whom poisoned him.

Vavoom Motor Co. is trying to build a supersonic car, which Speed is testing. Agents from Forthebird Motor Co. sabotage the car, and blame Speed for the accident. They demand a new test driver, but Speed enters their driving tests, and proves again that he is the best driver. Agents from Forthebird Motors put a bomb on the finish line to destroy the car, but Spritle overhears them, and warns Speed.

The episode opens in Africa with the scene of a lion chasing a leopard. As the two fight, a huge gorilla enters. Broken shackles dangle from the gorilla's wrists. Speed is flying to Africa. Professor Robert Carnivoré is sitting next to Speed on the plane. He relates the story of a huge monster that lives near the mountain they're flying over. Speed will be participating in the Trans-Africa Grand Prix, a race which crosses the continent of Africa. He checked out the course and is on his way to Nairobi where the race will start. The pilot and co-pilot point weapons at the professor and Speed. They are exiles from the nation of Bangdabongo. Carnivoré is also an ex-pat from Bangdabongo. The men need the professor's help to liberate their country which was taken over 20 years before. The men and the professor get parachutes to jump out safely. Speed is tied up. As the plane plummets earthward, Speed snaps the ropes. He dons a parachute and jumps out at the last moment. Down on the ground, S

Speed gets chased to the edge of a cliff. The gorillas throw boulders at him and one knocks him off the cliff. General Smasher, who is watching Speed on the monitors is happy to be rid of ""that nosy young man"" once and for all. Smasher resembles Hitler, another fun-loving character from the 1940s. In order to secure Professor Carnivoré's cooperation, Smasher leads him into a room where he meets a former colleague, Professor Loon. Professor Loon shows off a giant gorilla. The gorilla often bites through the chains and escapes. Loon is summoned to the command post because the Mach Five is approaching the island. As the Mach Five approaches the island, a door opens underwater and the car is sucked inside. As Trixie and Spritle reach the end of a long tunnel, tanks are waiting for them. The tanks chase the Mach Five and Trixie's driving skills, which are at least as good as her flying skills, pan out and the car crashes. They are captured for Professor Loon's experiments. Trixie and Spritl

Speed is in the exotic and mysterious city of Ambrosia, high in the Mystic Mountains on Lake Ripplelapps. It is the start of the Mystic Grand Prix. Piston Powers holds the pole position. Racer X is also in the race. Prince Snowier and Princess Gracious preside over the race, and Princess Gracious will signal the start. A sniper has the princess in his sights. A reflection from one of the cars in the race distracts the sniper and he misses. He runs and Speed chases him in his supercharged formula one. The two wrestle on the roof of a building. Speed prevails and the gunman falls to his doom. A secret meeting is being held in one of the suites on a train leaving Ambrosia. One of the men has the mirror that was used to distract the sniper. Among those suspected of using the mirror are Bearcat Stutz of the country of Pong Ping and Tailgate Jones of South Bosawania. The three most likely candidates are Rusty Muffle, Tailgate Crumple and Speed Racer. Avalonia is the next stop, where the haza

Speed is recuperating in a room at the National Hospital. The President is also in the hospital in room 1. Of course, Speed is in room 5. Rudolph Elegantor is there to pay his compliments on behalf of Vice President Duper, who looks a little like Hitler without a mustache. Speed is invited to the Vice President's home. Racer X also pays a visit, but when he hears of the invitation to Duper's home, he changes. Could he be a secret agent? Speed visits the Vice President, who lives underground. Speed is locked in a room to wait for the Vice President. Speed is escorted to see the Vice President, but on the way, a gun is pulled on him. Speed wrestles the gun away, but his advantage is short-lived. He gets hit over the head. The Mach Five leaves with someone disguised as Speed. Racer X arrives at Duper's home and is told Speed left. He takes off in search of his long-lost brother. Meanwhile, Speed is really in the trunk of the Mach Five, still unconscious. He's put in the car and the Mach F

A madman in a weird mask wires the Mach Five into a bomb to use it and Speed to steal art treasures.

A man uses small cars which allow him to control real cars that he then melts down and uses to build a forest complete with robotic animals. He is destroying cars because his son was crippled by a hit and run driver, but it is reveled that his son can really walk and was kept in the wheelchair by his father.

Speed has entered the Pineapple Grand-Prix, where each driver has to carry a pineapple in his car. Someone has hidden a diamond in one of the pineapples, so criminals are stealing the fruits from the drivers.

Speed, Trixie, Spritle and Chim Chim are flying to Hong Kong for the Hong Kong International Race. Speed notices a woman passenger acting mysteriously as she plays with her compact. The compact is actually a sophisticated weapon which fires a poisoned dart at a another passenger sitting further back in the plane. As Speed tries to question the woman, she collapses because she has been hit with a similar poisoned dart. We see the stewardess in the back of the plane with an evil smirk. Chim Chim hands Speed an invitation to one of Hong Kong's floating restaurants. The invitation fell out of the woman's purse. Speed is accosted by a group of reporters as he gets off the plane, but they split immediately when Princess Petal's plane lands. She is a mysterious princess from the Kingdom of Blossombow in the Middle East. Speed puts his foot in it when he admires the princess for her elegance. An assassin has her sights on the princess, but she is restrained by the stewardess who cautions her t

Leaving a race Speed has just won Speed and Trixie are shot at by Omar's men. Arriving in Hawaii Spittle and Chim Chim get involved in an another attack by Omar's men. Speed figures out that he and Trixie were not the real targets the first time but they were given something in Hawaii that has made them targets. Speed examines the lay given to him by a girl and discovers some microfilm. Taking it to the library he finds out that the film are the plans for a new laser gun and is saved by the Kana from more of Omar's men. Kana is captured by Omar's men and taken to an island on which they are building the laser gun. Spittle and Chim Chim are captured. They all escape when Omar tries to test the gun on them. They then have to escape a laser tank Speed Racer disables the tank with the homing robot. The tank and island then blow up. Trixie says that they still have time to make Speed's next race.

Speed enters the Mach Five in a demolition derby to convince a once-famous racer to be a real racer again.

In the American West, a convoy of trucks is crossing the desert. A group of motorcycles scream down the mountainside and attack the convoy. Meanwhile, Speed wins the Southwest Grand Prix. One of Speed's fans is admiring the Mach Five when Speed walks into the garage. He says that he wanted to be a professional racer himself but didn't make it. He doesn't give his name. That evening, Speed and the gang are dining with Mr. Skyhigh from the Office of Space Development. Later, in a ghost town Skyhigh is trying to enlist Speed's help to protect the construction of an international space development base. The crews and equipment are being attacked by motorcycle Apaches. The Mach Five is needed to transport a shipment of uraniumtane, an element that will give nuclear missiles an explosive power greater than an H-bomb. Sparky, Trixie, Spritle and Chim Chim show up ready to help Speed. After Spritle is told he can't go along with Speed, he decides to play cowboys in the ghost town. Spritle enco

Dr. McFife creates a car that can think for itself which he orders to terrorize the countryside of Burrup County al la Frankenstein's monster. After the car has withstood everything thrown at it Dr. McFife reveals that the car also has a bomb that will go off in the center of town. Adding to the problem the Car kidnaps a little girl. Using knowledge gained earlier Speed (with help from Chim Chim and Spritle) rescues the little girl and destroys the car.

A rich man named Baron von Vondervon is giving a race for 17 year old girls in memory of his daughter (Ivonna) who disappeared 5 years ago; the winner of the race will be treated as his daughter. A greedy man named Mr. Free Load elists the aid of a driver named Lolly. After trying to past himself as a woman during the race Mr. Free Load discovers that one the other drivers is Ivonna and proply kidnaps her. After Speed saves Ivonna, Trixie and her finish the race with Trixie first and Ivonna second. The Baron recognizes Ivonna as his daughter but she does not want to leave her family at the orphanage. So the Baron gives half his fortune to Ivonna, the other half to the orphanage and invites the children of the orphanage to live on his estate.

Speed and his family are on the way to the Grand Prix (which is the key race for the World Racing Championship) and their plane is forced down on to an island by a storm. On the island they find out: that the both the plane's and Mach Five's radios have been smashed; every other passenger is in a hurry to get where they are going; there are no plants on the island, and that the island is a likely a forgotten top secret base used during a war. Since the island is uncharted Speed has no idea where to send the homing robot nor if the oxygen would last long enough to get help. Speed learns that one of the other passengers has brought advertizing balloons. Using hydrogen from the base Speed turns the Mach Five into a dirigible, then they draw lots to see which three people will go to get help. After the drawing, Trixie gives her lot to a girl whose mother is dieing, and the rich man buys a lot from one of the other winners. Spritle and Chim Chim stow away and force Speed to throw everything

This is a sequel to the 'The Most Dangerous Race' and takes place one year after the events related in that episode. It involves a group of international spies tricking the Car Acrobatic Team and Speed Racer into having a race. The race is to lure out Racer X who the spies have figured out is Speed's older brother. In addition the spies have planted bombs in the cars of the Car Acrobatic Team to blow up Speed. In the end it is the spies who get blown up. Also Speed figures out that Racer X is his brother Rex and asks him. Racer X knocks out Speed, removes his mask, and vows to stop being a racer and become a full time secret agent.

Mr. Goldminter is offering a large amount of gold and the hand of his daughter Lovelace to whoever wins his Around the World Race. Lovelace and her guardian Oscar enter the race to teach her father a lesson. The race uses several vehicles including hovercraft, biplanes, and subs. Team 4 cheats to win including having spikes from their hubs. Lovelace wreck her boat on the first water leg and Speed saves her from sharks. On the air leg team 4 uses both a blade and a long cable to knock several planes including Speed's out of the sky.

Speed and Sparky survive the crash and quickly catch up to the other racers. Speed saves Lovelace from an ice crevice in Antarctica. In Sahara, a wind storm buries the races in the sand. On the last leg of the race, Speed gives Lovelace some of his gas. After Speed runs out of gas, Racer X shows up and gives Speed a lecture about his duty to win as a professional racer vs. his desire to help his competitors, and leaves a gas can. Speed wins the race becoming world champion race and Lovelace reveals herself to her father.