A contortionist teaches the models how to strike extreme poses, which they later use in a circus-themed photo shoot. Back at the house, gossip leaves one woman in tears.

The BAU is called to investigate a series of bank robberies after it becomes evident the crimes are not based on money because the robber abuses his victims by forcing them to undress before he leaves the crime scene.

Can a high tension cable slice a person in two when it snaps? Also, Tory and Kari explore the myth of 'archaeo-acoustics' in which ancient pottery contains sounds from the past and can be played back and heard today.

Cartman reveals who masterminded the attacks of 9/11, while Kyle and Stan search for the real truth; meanwhile Mr. Mackey just wants to know who dropped the deuce in the urinal.

The red team begins to mentally fall apart from all the pressure, which leads to them refusing to follow Kim's lead, making her frustrated. Meanwhile, the contestants give the "temptation" a try to win a free pass and receive immunity for the week.

Tonight Stephen reveals the winner of the Green Screen Challenge. Plus, another Tek Jansen Adventure.

Guests on this episode are David Arquette from (The Tripper)and Monica