The Girls Next Door

Hef's new girls, Crystal, Karissa and Kristina; the twins fly to Vegas to celebrate their double Playmate issue, and meet Holly.

Hef and Crystal meet the twins and Holly at the Sky Villa in Las Vegas for an in-suite dinner; the gang goes to watch Holly perform in "Peep Show."

Crystal, Karissa and Kristina cause a scene on a Hollywood tour bus, get off at the Playboy Mansion's front gate and try to talk their way in before the police show up.

The twins and Crystal decide to "get back to nature" by camping in the backyard with their Playmate friends, and by the end of the night everyone ends up in Hef's room for a movie.

Karissa and Kristina train to portray sexy twin vixens in a Sofia Coppola movie; Crystal finds out that she has been chosen as a Playmate and does her photo shoot.

After being invited to be the guest of honor at the San Remo Music Festival in Italy, Hef decides to bring along the girls for some fun.

Crystal and the twins agree to participate in a fashion show benefit for an animal charity, with Bridget Marquardt as the host and emcee.

Hef and the girls participate in a Guitar Hero video shoot at the mansion; Crystal takes singing lessons.

Crystal, the twins, Holly, Bridget and other mansion friends throw a baby shower for Kendra at Mary O'Connor's house.

Marking Crystal's first anniversary with Hef.