Melissa Rauch

By Jonathan Riggs

THE BIG BANG THEORYS4, E4

The Hot Troll Deviation

An embarrassing secret of Wolowitz's comes to light, while Sheldon and Raj have a small war at work. Battlestar Galactica's KATEE SACKHOFF and Star Trek's GEORGE TAKEI guest star as themselves as Wolowitz's love gurus. MELISSA RAUCH reprises her role as Howard's girlfriend, Bernadette.
THE BIG BANG THEORYS3, E10

The Gorilla Experiment

Sheldon takes on his greatest challenge when he attempts to help Penny understand physics, and Wolowitz becomes jealous when Leonard starts hanging out with his new girlfriend.
THE BIG BANG THEORYS4, E5

The Desperation Emanation

Leonard realizes he's the only one without a girlfriend, while Sheldon wants to get rid of his.
THE BIG BANG THEORYS4, E9

The Boyfriend Complexity

Penny asks Leonard to lie to her father, Wyatt (guest star KEITH CARRADINE), while Howard, Raj and Bernadette pull an all-nighter at a telescope.
THE BIG BANG THEORYS4, E10

The Alien Parasite Hypothesis

Amy finds she has sexual feelings for Penny's ex, Zack (guest star BRIAN THOMAS SMITH) while Koothrappali and Wolowitz try to prove who would be the better superhero.
THE BIG BANG THEORYS3, E9

The Vengeance Formulation

After he's humiliated on National Public Radio, Sheldon vows to destroy Kripke (guest star John Ross Bowie), and the guys help, Sheldon exact his revenge. Meanwhile, Wolowitz tries not to destroy his new relationship with Bernadette (guest star Melissa Rauch). Katee Sackhoff (Battlestar Galactica) makes a cameo as Wolowitz’s dream girl.

Melissa Rauch on Apple