The seven remaining contestants are weary as they welcome the food auction. Lex points out how clever Tom is when he beats other people at checkers. Frank states his opinion on gun control, making his tribe mates uncomfortable. Lex wins immunity and the tribe votes off Frank.

Grissom and Sara are called to the crime scene when two murder victims are found hidden in pipes at a construction site in the middle of an alfalfa field, while Catherine and Nick investigate an ostensible hunting accident.



The investigation of the construction site murder reveals that the victims were sisters and the relationship of one of the sisters to a former prison inmate is a cause for suspicion -- especially when his presence is traced to the scene of the crime.



Meanwhile, Catherine and Nick begin to doubt seriously that the body found in the woods was the victim of a hunting accident.

Joe gets discouraged, losing his self-confidence, after he loses a thief in a chase. Peter wants to help Joe get back to his old self so he volunteers to help train him for the decathlon at the Olympics for handicapped athletes. Peter puts steroids into Joe's drink, pushing Joe on to victory. Meanwhile, Stewie, Meg, and Chris fight over $26.

Tonight, actor Jamie Foxx promotes his new movie, Ali.

Tonight's main event is the House Robot Rebellion! The House Bots are sick and tired of being in their Corner Patrol Zones all the time and doing nothing. They want to take on someone just for fun! Who? Well, that's the problem. Everyone seems to be too scared of the House Bots. Who's brave enough to take them on? Hypno-Disc? Chaos 2? Stinger? We'll find out!

TEAMS: Ian Hislop & Charles Kennedy; Paul Merton & John Sergeant