The contestants are called back in Las Vegas for the first time.

Calvin has gotten the $20,000 needed to repair his parent's house and surprises them with the check. Meanwhile, Janine reveals that CJ is in Chicago interviewing for a new job.

Calvin tries to fix the mess he is in with Miranda and the conflict only gets worse. Meanwhile, Janine, the twins and Malik are preparing to move.

The Time Warp team's slow-motion cameras capture the extraordinary feats of the "Arrow Catcher", champion dogs, professional strongmen and the master of an oversized yo-yo.

Adam and Jamie see if it's possible to cling to the roof of a speeding and swerving car like it's done in action movies. Kari, Tory and Grant t they try to break out of jail by cutting their way through steel cell bars -- using only dental floss. Did an 18th century prisoner once put his ball and chain -- shackled to his ankle -- in the prison cannon and fire himself over the prison wall to freedom. Is it possible?

A prominent charity executive is murdered and claims of stalking and blackmail surface during the investigation.

Dana adds a wrinkle to the semifinal matchups that infuriates the coaches. Team USA wonders if there's a traitor in their midst. And a bruising three round battle kicks off the semifinal fights.

Alvarez takes over while Sergeant Brown is away. Things go south when Alvarez releases Bo Keebler, a man who recently tried to rob a Chinese restaurant, into the custody of U.S. Marshall Foster. Casey Alvarez, and Walsh discover information that suggests Foster isn't exactly who he claims to be after the precinct receives a bomb threat. Banks tries to stay in his apartment until after his 43rd birthday to keep from being killed.

As Jim finally gets a chance to present his Princess Diana tribute, the rest of the deputies have their hands full as a "Jesus Christ Superstar" touring company arrive in Reno.

Journalist and author of the new book Panic: The Story of Modern Financial Insanity, Michael Lewis.

Eric Schlosser

The blue team decides whether to send their captain home.