Kaley Cuoco, Melissa Rauch both give a special birthday gift.
Big Bang's Melissa Rauch feels naughty after Maxim shoot.
Penny shows up on Leonard's door step drunk.
Penny, Bernadette find new fellas after breakups in Season 3.
The girls have a contest to see who can make more tips.
Bernadette tries to replicate Penny's experiment.
Uncle Mark visits while Howard is out of town.
Bernadette convinces the board to promote her.
Bernadette gets Penny an interview at Zangen.
Bernadette goes for a relaxing soak under the stars.
Bernadette & Howard's wedding brings plenty of surprises.
Stuart's NYE party bangs in the New Year.
Penny & Bernie help schmooze for a tenured position.
Melissa wants to remake a famous porn flick.
Howard leaves and asks Raj to take care Bernadette.
Bernadette's car breaks down in the country.
Bernadette goes on a quest to replace a comic book.
Kaley and Melissa go head to head and give head.
The girls play hooky and visit Mouseland.
Bernadette tests for the 50 Sexiest Scientists.
The seed is planted for Bernie's website.
Wyatt visits and Raj tries find a new planet.
Raj visits Uncle Mark and Bernadette.
Penny gets to meet Howard's Uncle Mark.
Bernadette's ex-boyfriend creates sexual chaos.
Kaley, Melissa and Rene ride the sybian.
Bernadette gets some new content for her website.
Bernadette builds content for her new website.
Melissa remakes a porn classic.
The girls attend a swingers club and have a contest.
Bernadette and Penny face off.
Bernadette films in the park for her website.
Melissa wraps up remaking a porn classic.
The adult pilot episode of Melissa Rauch's new TV series.
Bernadette goes for a wild ride.