Each Challenge pits numerous cast members from past seasons of Real World and Road Rules against each other (only the Fresh Meat Challenge has introduced new cast members that have never appeared on either The Real World or Road Rules), dividing them into two separate teams according to different criteria, such as by gender, which of the two shows they first appeared on, whether or not they're veterans or rookies on the show, etc. The two teams compete in numerous missions in order to win prizes and advance in the overall game.
The teams are given their next clue. Los annoys some of his teammates for being cheap with his money. The teams head to a gym where they are taught by a teacher how to wrestle with each other. The teams head to The Palladium to compete against each other. The next mission is "Wheel of Wrestling", where a wheel determines the match-up. Los starts to feel isolated from the group and ends up leaving for a walk after getting into an argument with Piggy and Veronica over pizza.
Cory takes a risk to earn his ticket to The Oasis; during an elimination, a player's nerves become too much to handle.
Paranoia gets the best of Shane and causes him to lash out; LaToya and Nelson bond as the last four tickets to the Oasis are awarded; and the players are ecstatic to finally move out of the Shelter.
The Champions move into the Oasis; and a civil war breaks out within Team Underdog when they must decide which players they want to send into Elimination.
Nelson flies into a rage when things don't go his way; a player wets her bed, dousing the affections of her handsome suitor; and Jenna hopes to rekindle a relationship with her ex-boyfriend, Zach.
When Ashley spots Hunter flirting with a Champion, she questions their romance. The Champions vow to even out the bank accounts at the "Roll With The Punches" challenge. Bananas makes a suspicious move to save himself.
The competitors must endure a spicy curry eating challenge that sends tempers flaring. The Underdogs question if they can trust Shane, when he is suspected of making multiple alliances.
Flirtatious Nicole vows that she can hook up with both Cara Maria and Laurel, but her plans go awry. The pranksters are revealed causing all hell to break loose between the girls on each team.
The Underdog alliances begin to unravel when Hunter’s motives for flirting with Ashley are called into question. TJ surprises the competitors with a shocking twist in the game.
To the Champs' delight, the Underdogs must prove they're worthy of the Final during the game's shocking slaughter. A friendship turns into a rivalry when one player's suspicious gameplay is brought to light.
With only four players remaining on each team, the Champions and Underdogs must rely on their teammates to navigate a tricky maze course. In-fighting among the Champs leaves tempers flaring right before their last elimination.
A meltdown threatens to break apart the Underdog team; an ancient Thai lantern festival prompts reflection among the Challengers; and TJ shocks everyone with a twist to the Final that no one saw coming.
Camila and Cory's love affair is put to the ultimate test when they must work together in the Final. The Underdogs and Champs must rely on each other in order to finish the Final.
After a grueling three-day Final, the winners of Invasion of the Champions are revealed.
T.J. tosses a fiesta for the competitors; and a rumor threatens to turn friends into enemies.
A contestant faces a tough choice: keeping their best friend out of the Jungle or having a teammate's back. In other events, the deserters are replaced.
During a rigorous challenge, a cast member's cheating ways could cost their team a chance to continue in the game.
A late-night blow up leads to serious implications for Challenge members; the cast gets pulled into a last-minute challenge.
Sleep deprived and broken, the house begins to divide; teams band together to plot against other roommates.
The rivals must work hand-in-hand in their last Mexican challenge to avoid elimination before heading to Mendoza, Argentina.
One final elimination will determine which three pairs will continue on to the final challenge; participants are in for a surprise.
A twist adds to the stakes of the final challenge; the remaining Challengers go all-in for a chance at the prize money.
With the finale rapidly approaching, TJ stuns the competitors with news of a location change; they must first endure a grueling time trial to move forward.
Tensions boil over between Cara Maria and the Lavender Ladies, leaving Marie in the middle of her friends and her vendetta partner. At the "Sky Bridge" challenge, the players must rebuild their trust—and a perilous rope bridge.
One player is left shook when their partner hurls an unforgivable insult at them. The players find themselves locked up and puzzled at the "Caged In challenge." At the "Tread Lightly elimination," a shocking matchup has tremendous impact.
A night ends in total chaos as simmering tensions throughout the game finally boil over. The players face off in “Hit List” where their trivia skills are put to the test.
Rumors and gossip become one team's secret weapon when their backs are against the wall. Surprising outcomes at the "Heads Will Roll" challenge have lasting implications on the game.
A reality competition battle across a series of contests for the chance to win money.
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.
Kam and Leroy finally address their tumultuous relationship when it becomes clear that she may want someone else in the house; In order to destroy an alliance, Wes reveals a secret that potentially can break up a couple.
One player's alleged "injury" raises doubts and the Challengers question whether it's actually deceitful strategy; when two veteran players get cozy, the nature of their relationship is called into question.
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 re-adjust 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.
With the Finals on the horizon, competitors must face the daunting “Judgement Day” challenge, where two players will be purged from the game. Desperate to secure his spot in the Finals, Paulie goes for broke and the results are unforgettable.
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.