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It's Shark Week in the Cash Cab! See what happens when Ben tests the nautical knowledge of a group of Sailors, Best Friends and a family of three as they try their luck in the Cash Cab.

Two coworkers learn the hard way that not even Siri can help them, a mother and Son try their luck as their Cash Cab doomsday clock runs down, and two sisters from the Midwest try to make it rain green despite exclaiming to Ben, "We're not that smart!"

Four sibling impress Ben with their smarts; the Cash Cab has a run in with the New York City Police Department; four girlfriends shriek their way through a nail biter of a game.

Two brothers from Jersey brush up on their German and French History, a group of friends shake things up with a video bonus they'll never forget and two roommates are schooled on their heavy metal knowledge.

A group of riders are put to the test by special guests, Property Brothers Drew and Jonathan Scott, a couple from Long Island look to Social Media for help, and a group of friends try and recount what they learned in school to stay alive in the cash cab.

Blood is shed in the name of trivia when a contestant nearly breaks his nose in a moment of celebration, Man v .Food host Casey Webb makes a special guest appearance, and Ben makes dreams come true for two brothers who get their chance in the Cash Cab.

Ben puts father-and-son team to the test with the help of TV show host Andrew Zimmern ("The Zimmern List"); Ben experiences a Cash Cab first during a street shout out; one rider receives the ultimate birthday present.

Two longtime friends make the ultimate mistake, a group of bar buddies take their best shot in the cab, and the Property Brothers, Drew and Jonathan Scott are back to help Ben quiz some lucky contestants.

Two longtime friends make the ultimate mistake, a group of bar buddies take their best shot in the cab, and the Property Brothers, Drew and Jonathan Scott are back to help Ben quiz some lucky contestants.

A team of contestants get a workout in the cab, Ben picks up a professional mentalist who tries to get inside his head, and Andrew Zimmern, of The Zimmern List puts one groups culinary knowledge to the test.