The newly matched couples face their first challenge, and it's more extreme than they bargained for. Testing their compatibility as well as their physical endurance. It's couple vs. wild as they race the clock to avoid being in the bottom two teams.

As the couples get to know each other, some reveal immediate chemistry, while for others, cracks begin to show. Nathaneal and Shalance start the game angry at their last performance. Lindelani and Lana own their couple status.

Shalance and Nathaneal face their lack of compatibility when Nathaneal refuses to engage with him. As the couples take on mountainboarding, they rack up bruises and falls at an alarming rate, but deliver the most painful blows.

The couples come face to face when they have to truly connect during the challenge. Tamryn and Senzo begin relating to each other anew, while Sage and Charlottes lack of chemistry continues to pose an obstacle. Lana and Lindelanis relationship reaches a new level as they deliver the first on screen kiss.

Ona and Michael are having a tough time, which comes to a head when she thinks he finds kissing her disgusting. The kissing challenge has some couples scaling new heights while presenting turning points for others. A shock result changes the game.

Ona and Sage are both thrilled with their new coupledom, and their chemistry is palpable. Tamryn's limits are tested with Senzo, and she's angry at his inability to step up the plate when she needs him. After their loveseat kiss, Daniel begins to fall for Sive in earnest.