The players compete in a Decontamination challenge, Wes and Bananas expose their alliance in order to make a big play, and a double elimination accelerates the competition.
Tank captains the Old School Squad and Jack Harlow joins the New School Squad as the teams battle it out in Let Me Holla, Sex, Flix & Chill, R & Beef and Wildstyle.
Maci asks Taylor to have a talk with Bentley about respecting girls, Catelynn meets with an organic baby food company in New York, and Cheyenne is anxious about Cory's return.
Pauly and Jenni endure an awkward morning after, Mike and Lauren move into their first house together, and Angelina and Chris put the finishing touches on their wedding plans.
Bear sticks up for Kailah, Aneesa calls out Nany for flirting with Kaycee, and Jenna weighs whether to put herself up for elimination or not.
Cheyenne rushes Ryder to the hospital, Amber arranges for Dimitri to take a lie detector test, and a grief-stricken Mackenzie takes a business trip to Florida.
DaBaby and the New School squad take on Too $hort, Nick Cannon and the Old School crew in games of Vowing Out, Kick 'Em Out the Classroom, Remix and Wildstyle.
As things get rowdy at Angelina's bachelorette party in New Orleans, Nicole falls asleep at a bar, and Pauly and newly single Jenni wind up in the same bed.
CP learns that his father is getting out of prison, Dennie's biological dad lets her down, and the O'Toole family is devastated by an unexpected tragedy.
Jenna considers quitting to try to save her relationship, a cruel prank leaves Kailah distraught, and two players are accused of throwing the "Fast & Furious" challenge.
Amber's boyfriend Dimitri comes to visit, Cheyenne prepares Ryder for pre-school while Cory is on The Challenge, and Maci debates letting Bentley apply to private school.
EARTHGANG leads the New School Squad against Bone Thugs-N-Harmony and Nick's Old School Squad in games of Pick Up & Kill It, Got Props, Hip-Hop History and Wildstyle.
Jess thinks her boyfriend Izzy should meet her kids, Gina has a chance to put her past behind her, and Paulie goes too far on a trip with Karina and their friends.
While the guys are in New Orleans to surprise Angelina for her bachelorette party, Mike reprises his role as The Designation, and Ronnie and Mike prep Vinny for Jenni's wrath.
Wes pours fuel on his fiery feud with Jordan, teams struggle with communication in the Bomb Squad relay, and Bear's persistence may finally pay off.