Samey and Amy's sisterly hatred reaches a boiling point during a game of doom balloons. Meanwhile, Max gets a little help from a new friend on his quest for pure evil.

With luck on his side Shawn gets to bring Jasmine back as his helper. Sky gets stuck with Dave. Halfway through the challenge Jasmine and Dave learn some shocking truths about their partners and the helpers become hurters!

Chris is feeling pretty lazy so he allows Shawn, Sky and Sugar to each create one challenge. Sky's is about athleticism, Shawn's is about escaping, and Sugar's is alllllll about talent!

With Shawn and Jasmine obviously paired up, Sky has no choice but to form an alliance with Sugar. Jasmine and Shawn make a deal to split the money if it's the two of them in the finale… or do they?

With the island becoming wildly volatile and deadly, Chris sends the teens underground to shut it down. Scarlett has a different plan and with only minutes to spare before Pahkitew explodes the rest of them have to stop her.

Chris merges the teams and feeds them some expired meat before the first nighttime challenge. Dave finally hears what Sky's saying and Jasmine finally sees how Shawn's feeling. Scarlett learns the truth about Pahkitew Island!

Sky chooses her new team over Dave. Max shows a softer side that's just as creepy as his evil side. And it all comes down when Topher gets a call from the network!

Jasmine reveals a deep, dark fear in a deep, dark cave; Sugar confuses buses and trains; and Dave looks for the perfect opportunity to plant his first kiss on Sky.

Ella comes up big after Dave puts himself in a dangerous spot trying to show Sky what a good boyfriend he could be. Max tangles with his team's chances to provide his superiority.

Great news: Sky likes Dave! Bad news: Not nearly as much as Dave likes Sky. Spooked by a possible zombie sighting, Shawn bolts and puts his team in jeopardy. A surprise visit from a past competitor raises some very serious questions about a previous elimination.

Ella's attempts to befriend Sugar backfire during a wild game of Truth or Scare. Meanwhile, Rodney's delusional love triangle has a huge effect on his team's performance.

A challenge involving a wild boar proves to be more than most can handle, but not for Sugar. Meanwhile, Dave is showing some signs that he might be crushing on a teammate.

Chris welcomes 16 fresh victims to the new island. Flaws, strengths and outright insanity are put on display during a build-your-own accommodations challenge.