Wyatt visits and Raj tries find a new planet.
Penny's first interracial sex.
A surprise visitor and group meals will never be the same.
Bernadette goes on a quest to replace a comic book.
Leonard & Sheldon get a new neighbor.
Amy and Raj get in on the fun.
Bernadette goes for a relaxing soak under the stars.
Penny and Bernadette are loving life.
“Oh, you think coffee means coffee, that is so sweet."
New week, new mourning routines.
Penny & Bernie help schmooze for a tenured position.
Penny comforts Sheldon.
The Best Friend Experimentation.
Bernadette gets Penny an interview at Zangen.
The girls play hooky and visit Mouseland.
Leonard discovers Penny's secret to sales success.
Sheldon directs a porno flick.
Bernadette tests for the 50 Sexiest Scientists.
Bernadette's ex-boyfriend creates sexual chaos.
Howard gets rewarded and Penny makes a friend.
Penny throws a Halloween party.
A Big Bang Of A Good Time With Howard And Penny.
Freaky fun at Big Bear.
Group sex fun on the way to Big Bear.
Big Cock Banging With Penny and Bernadette.
Becky has second thoughts.
More Big Bangin' with Penny and our friends.
Me and The Big Bang Theory cast having freaky fun.
Me, Penny, my family and our friends having freaky fun.
Penny big bangin her friends.
Penny, Bernadette and Me... Howard watches.
The Big Bang Theory goes White Trash and Freaky.
My freaky life with my wives Penny and Bernadette.
My fucked up freaky sex life.
Howard Wolowitz exploring his love of anal sex.