
Punk'd
Actress Kristen Bell; actress Amber Valletta; skateboarder Bam Margera.

Actress Kristen Bell; actress Amber Valletta; skateboarder Bam Margera.

Actor David Boreanaz; reality-TV star Kristin Cavallari; football player Terrell Owens.

Recording artist Daddy Yankee; model Kelly Monaco; actress Sophia Bush.

Bernie Mac; Ying Yang Twins; Mischa Barton.

Singer Avril Lavigne; basketball player Shaquille O'Neal; wrestler Triple H.

Ja Rule; Ryan Cabrera; Laura Prepon.

Benjamin McKenzie; Jason Bateman; Akon.

Lauren realizes that she and Heidi may be on different paths.

Lauren juggles school, an internship and an unpredictable roommate.

Kristin must decide if she is going to make a major change in her life.

Kristin talks to Brody about rekindling their relationship; Heidi's mother travels to Los Angeles.

Kristin makes Brody jealous when she hooks up with a bartender in Costa Rica.

Audrina ends things with Ryan but gets a surprise from Justin; Allie stirs up more trouble.

Ryan meets Justin for the first time; Brody sides with Kristin.

Brody's new love brings an old rival to a party; Audrina does not tell Ryan about Justin.

Kristin struggles to move on; Audrina doubts her relationship with Ryan.

Brody puts his friendship with Kristin on the line; Lo sets Stephanie up on a double date.

Friends and family make a difficult choice about Heidi and Spencer; Kristin and Brody hook up.

Heidi throws a party for her neighbor; Spencer gets angry with Holly.

Stephanie is blamed for Kristin's partying; Audrina starts dating a new guy.