Inside: USA

Slippery shenanigans ensue during a frat party-themed challenge. New alliances form, and a not-so-stealthy spender paints a target on their back.

Secret purchases and crushes stir the pot, casting suspicion on other contestants. Decisions in the control room push buttons — and people's patience.

It's girls against guys as a clique war brews inside the house. A game of lights out leaves the Insiders wondering who's truly loyal and who's lying.

As one Insider shoots his shot with a crush, the girl group takes aim at two potential defectors. A bold bid during an immunity auction stuns the crew.

A contentious elimination leads to mutiny. Things get warm and fuzzy during a game of balloon toss, but the temptation room puts a pin in the cozy vibe.

Power dynamics shift when a player exits. After a ranking challenge that tests the Insiders' self-awareness, one contestant's dreams come true.

Whether they've spent big or saved, no one is safe as the last challenge looms. In the ultimate test of luck and lies, who will leave the house a winner?

Who's fake and who's for real? After a long seven days, the Insiders sound off about their strategies, alliances and opps in this tell-all reunion.