6x11 The Bunny House (August 08, 2010)

6x10 Deja View (December 06, 2009)

Hef and Crystal celebrate their first anniversary of being together.

6x09 The Showering Inferno (December 06, 2009)

Holly, Bridget, Crystal and the twins throw a baby shower for Kendra.

6x08 Stay Tuned (November 29, 2009)

A film shoot for a video game takes place at the mansion. Also: Crystal takes singing lessons.

6x07 Charity Begins at Holmby (November 22, 2009)

Bridget Marquardt hosts a fashion show to benefit an animal charity and gets Crystal and the twins to help out.

6x06 Ciao Time (November 15, 2009)

Hef attends a music festival in Italy and takes the twins and Crystal along to share the fun.

6x05 Uncover Girl (November 08, 2009)

Karissa and Kristina prepare for roles as sexy twins in Sofia Coppola's movie "Somewhere." Meanwhile, Crystal learns she will be a Playmate and poses for her photo shoot.

6x04 The S'more The Merrier (November 01, 2009)

The twins and Crystal camp in the backyard at the mansion with some friends, but end up in Hef's room to watch a movie.

6x03 The Wheel World (October 25, 2009)

Crystal, Karissa and Kristina get into trouble on a Hollywood tour bus and fear they may be arrested.

6x02 Look Before You Peep (October 18, 2009)

Hef and Crystal go to Las Vegas to join the twins. Later, they go to see Holly in a live show.

6x01 Meet the New Girls (October 11, 2009)

The sixth season begins with Hef's new girlfriends Crystal Harris and twins Karissa and Kristina Shannon. The sisters travel to Las Vegas to celebrate their double Playmate issue.