An ex who's no stranger to snow joins the party, Laurel learns what kind of girlfriend Nicole is in the Sauna of Secrets, and Callum gets a lucky break in his love life.
Gus comes to a realization about his future, Kirk's group activity doesn't impress Aimee, Nilsa gets mixed messages, and Gus clashes with Nilsa's new friend and Jeremiah.
Team U.K. fights to hang on to its lead, the overnight break is less than restful, and the champions are crowned.
Kailyn and Leah set the record straight about what happened in Hawaii, Briana and John have a frank discussion about their relationship, and Chelsea opens up about her anxiety disorder.
Brianna reconnects with Braeson, Kiaya takes Amour to see his dad, Kayla worries about moving to Iowa, and Bar's obsessive behavior stresses Ashley.
La Demi confides in Georgia about her past, Adore gets excited to see an ex, Nicole explores her options, and Marlon's thirst lands him in hot water.
The singles get cozy and figure out who they'll be pursuing, Nicole and Callum get icy wake up calls, and Daniel uses an opportunity to make the night awkward.
As Gus reels from a breakup, the roommates take him out on the town to look for a rebound, and Nilsa tries to rekindle their romance from the previous summer.
Team U.S. and U.K. face off during stage one of the final, in which they must carry weighted gurneys through a 16-mile jungle track featuring catapults, math and grubworms.
Dr. Drew and Nessa host as Kailyn reflects on Jo's legal threat, Briana gives an update about John, Leah and Jeremy discuss their status, and Jade sits down with her parents.
Brianna lands in the emergency room, Luke's family hosts a gender reveal party for Kayla, Ashley's mom invites Bar to her birthday, and Kiaya and Teazha struggle to co-parent.
To celebrate the holidays, Rob, Chanel and Steelo check out videos dealing with air travel chaos, decorations gone wrong and Santa snafus.
CT has second thoughts, an unexpected move sends shockwaves through the teams, and emotions run high when two players face a super elimination.
Chelsea has an upsetting phone conversation with Adam's mom, Leah accompanies her sister Victoria to divorce court, and Kailyn receives heartbreaking news about her dog Bear.
Ashley spends the weekend in Las Vegas with friends, Brianna seeks legal advice regarding Braeson's father, and Kiaya struggles to remain civil with X'Zayveon's mother.