Season 37
The Challenge: Spies, Lies and Allies 2021 7.2 TMDB 21 episodes 1216 min Reality
Set in the picturesque Mediterranean coast of Croatia, elite U.S. Agents join forces with an assortment of International Operatives, all armed with killer competitive instincts,” reads the official description. “With the assignment constantly evolving, these agents will be tested both mentally and physically to win their share of $1M in this epic new chapter of The Challenge spy games.
01 The List TJ’s agents meet during a high stakes mission that will have a massive impact on the game. Love is in the air at headquarters, but some new romances may spell danger in the game. A scandalous list emerges and threatens to expose a strong player. 02 Bertha Agents take to the skies in the "Hell Heist" mission and a "mystery agent" joins the game. Nelly T gets himself into hot water when he start flirting with two different agents. 03 Truce or Dare An agent is tempted to ditch the Veteran Truce and exact revenge on an old rival. 04 Messy 2021-09-01 05 Good Vibes and Gladiator The muddy "Mindfield" mission dirties up the game when players must use their brains and brawn in order to succeed; two Rookie players debate making a very risky move in order to secure a strong partner. 06 Alien The slow burning tension between Fessy, Josh, and Amber erupts into chaos; agents are taken for a spin during the dizzying Turning Agents mission; two players have a shocking secret hookup. 07 Uncle CT Agents are on edge when TJ comes to Headquarters with a stunning directive that changes the game. CT comes to a troubling realization about his partner, Berna. Players compete in the brutally epic elimination, "Rage Cage." 08 The Threat After the Veterans threaten the remaining Rookies, one bold Rookie comes up with a plan to detonate the Veteran’s stronghold. Berna calls out all of her rivals in an explosive manner. The competitors take on the deep seas during the “Dive Bomb" mission. 09 The War At long last, the Veteran War has arrived testing everyone’s loyalty. The muddy “Bombshell Battle” mission shows who is truly playing dirty. TJ shocks the agents at elimination with a massive twist that will change the game. 10 Precious Stones TJ's shocking twist is revealed at the "Diamond Dash" mission and the players struggle to adjust the new rules. Feeling like he is a constant target, one vet attempts to make a fresh start. Amanda is reminded of her reasons for fighting for the money. 11 Mucus Plug One player makes a devastating mistake at the “Satellite Sabotage” mission that could put his team in jeopardy. A Rookie makes a bold, but questionable, game move. Two players battle for survival in the classic elimination game, “Pole Wrestle." 12 500 Players commemorate the 500th episode of The Challenge with the physically demanding “Brush Contact” mission. Players get into a heated argument at the club. Players try to pressure one agent into volunteering for elimination in order to infiltrate cells. 13 Titanic Cory worries that as the game gets more cutthroat the Vets might turn on him. Players compete in the “Sunken Intelligence” mission, where one player’s lack of effort sinks their team’s chances of winning. One player’s loyalty is tested by a new bond. 14 Mavericks Agents must turn into mavericks in a Top Gun inspired mission. With her back against the wall, Amanda looks to secure her future in the game. When Josh goofs up and says too much, one player holds it against him during a tense nomination. 15 The Cave of the Wolf After a sneaky plan to sabotage one team is exposed during the “Boom Raiders” mission, massive rifts appear in numerous friendships. The Compromised Agent makes a bold move at the Lair as two fight for survival during the “Burning Bridges” elimination. 16 Riverdance Agents feel what it’s like to get their hands on one million dollars during an exhausting mission. Emy worries that the rivalry between her teammates could result in her going to elimination. Two agents' broken friendship gets tangled up in the game. 17 Drop Dead With the Finals approaching, players scramble to stay out of elimination. No one can predict who the Compromised Agent will choose to battle in The Lair. Just when the players think they are in the clear, TJ drops a bomb that puts everyone in danger. 18 Night of Mistakes TJ’s shocking twist sends the players into a panic as they battle for survival before the Final. One player finds themselves on blast for trying to help another player during a tight elimination. The remaining players begin TJ’s Final. 19 The Decision The remaining Challengers fight for their share of the $1,000,000 prize. A close relationship faces a devastating test. Agents are crowned winners of “Spies, Lies, and Allies” but are then faced with a daunting decision. 20 Reunion (1) Maria Menounos gathers the agents to discuss Emy's plot to take CT from Berna and Amber's issues with the "Big Brother" alliance, and they finally learn who stole the frozen pizza. 21 Reunion (2) Maria Menounos questions the agents about their on- and off-air hookups, Cory accuses Josh of making promises he couldn't keep, and the Rookie of the Year performs the song of the season. 
