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22 Australian legends begin the fight for $200,000 and the title of Challenge Champion. With tension, betrayal, and romance in store, who has what it takes to make it through TV's most cutthroat game?

The Challengers must hang off semitrailers while speeding down an airstrip at the Truck It challenge. A budding romance quickly turns sour, while a sneaky Challenger starts spreading rumours.

The game gets down and dirty as a Challenger looks for revenge. Enemies must find a way to work together as they try to master an ancient Argentinian hunting weapon at the Bolas for Blood Challenge.

The major alliances in the house begin to draw battle lines, while a steamy hook-up between two Challengers gets the rest of the players hot and bothered.

The knives are out as two dominant forces in the game battle to take control. A barbecue leaves several Challengers burned and Brihony announces a shocking twist that puts the Challengers on edge.

Relationships in the house continue to break down under the intense stress of the game. The Challengers are surprised with a gruelling nighttime challenge. A player's injury puts their game in danger.

A Challenger's past sins come back to haunt them, while one competitor starts to break down under the stress of the game. The players get knocked around in the high octane "Runaway Ride" challenge.

A pair of powerhouse players struggle when faced with a tough decision. Competitors chill out in the "Frozen Senseless" challenge, where their skills are put to the test in a freezing ice bath.

With the final approaching, the players plot to remove anyone who stands in their way of the $200,000 prize and Challenge Champion title. At the arena, the most brutal battle of the season takes place.

The Challengers battle it out for their share of $200,000 and the title of Challenge Champion. Who will have the strength, stamina, and smarts to survive the gruelling final and take home the crown?