There is a budding romance in the house; tensions rise between veteran teams; a pair who cannot get over the past struggles to work together.

Diem's condition forces her and CT to leave the game; past rivalries resurface; veteran teams are in the hot seat.

There are surprising hook-ups after a scandalous night out; one player has unrequited feelings of love for her partner.

The ongoing feud between two power couples reaches a climax at eliminations, thereby causing strife in the house.

A couple reach their boiling point.

The teams' confidence unravels after enduring a stressful trivia test; a power couple makes a risky move during nominations.

The "Battle of the Ex-iled" reigning champions are revealed, and drama erupts, changing the dynamics of the game.

The first night time challenge brings the teams to new heights; a power couple tears apart their alliance.

As the teams travel to Norway, one player lashes out so badly, they may be sent home before the last elimination.

The remaining teams embark on the two-day final in an effort to win the prize money; contestants face brutal obstacles.

The top six teams reunite to discuss the biggest moments of the season, including challenge twists, hookups and rivalries.

Unseen footage includes boys vs. girls prank wars, wild animals on the loose and Zach in his birthday suit.