The Girls Next Door — Season 6

Oct 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.

Oct 18, 2009

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

Oct 25, 2009

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

Nov 1, 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.

Nov 8, 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.

Nov 15, 2009

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

Nov 22, 2009

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

Nov 29, 2009

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

Dec 6, 2009

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

Dec 6, 2009

Hef and Crystal celebrate their first anniversary of being together.

Aug 8, 2010