Epic Challenge Veterans meet up with eager Prospects, reality titans from around the globe, to take on the most grueling season yet; a twist in the game shakes up the power structure, leaving the players stunned.

Challengers battle head-to-head in the exhausting "Arms-a-geddon Tired" challenge; two teams wrestle for survival in a brutal elimination; Bananas performs an exorcism on a player that he deems "the spawn of Satan."

Zach makes a shocking move at the "Search and Destroy" challenge that makes everyone question his loyalties; Wes sets his sights on his mortal enemy, Bananas, but his attack may be premature.

Players take tragic slams during the “Fallout” challenge. Kyle and Paulie continue their never-ending war over Cara Maria, but this time while wearing silly costumes. A twist during the elimination shocks the competitors.

War is on between allies when one teammate quits on their partner during the "Tired Out" challenge; Bear riles up the house and makes an enemy out of Ninja Natalie; players battle for survival in the dark during the "Lights Out" challenge.

Wes concocts a plan to drive a wedge into the Brits' alliance, Leroy's jealousy rages when Kam flirts with Theo, and the Killing Floor takes two more victims.

The players on the US side start to worry that the UK alliance is growing too strong. Challengers’ fears are put to the test as they are blindfolded hundreds of feet in the air. One player reveals a secret attraction.

When Bear gets caught up in web of lies that threatens his relationship with Georgia, he devises a devious plan to win her back; Wes worries about his partner, Dee, and her lack of swimming skills at the "Brain Freeze" challenge.

Hunter enlists Wes' help in repairing his relationship with Georgia; players must communicate with extreme precision while jumping between speeding trucks during the "Road Warrior" challenge; TJ stuns the remaining teams.

The rules of the game have changed, the competitors must readjust their strategies; a cocky Hunter dares to test Turbo's temper; players are blown away by the "Fandemonium" challenge.

Political mastermind Wes devises a bold plan that shakes up the remaining players; Nany and Cara Maria have a heated argument; the players compete in the terrifying "Highway to Hell" challenge.

A surprising argument during the “Day of Reckoning” challenge creates unexpected rivalries. Paulie debates a risky move in order to eliminate Kyle. After a poor performance in the challenge, one player packs their bags and threatens to quit the game.

Two competitors compete in the infamous and brutal elimination, "Hall Brawl." Players must face their worst fears in the turbulent challenge "Crash Landing". Turbo seeks vengeance on those who wronged him.

The eight remaining players endure one of the hardest Finals in Challenge history, but not everyone will make it to the end of the day. A never before seen twist shocks the challengers and changes the game completely.

Those who remain battle it out for their share of the $1,000,000 prize purse. One player will be crowned champion of War of the Worlds.

After one of the most barbaric seasons, the vets and prospects of The Challenge: War of the Worlds reunite for the first time in London to battle out the shocking betrayals, savage gameplays, and hottest hookups of this season.

The drama continues in the surprise-packed Part 2 of The Challenge: War of the Worlds Reunion as loyalties are questioned, relationships are tested, and cheating scandals are exposed.