Melissa Rauch

By Jonathan Riggs

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, 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, E13

The Love Car Displacement

Tension runs high when everyone is staying at the same hotel for a science event and Bernadette runs into her ex-boyfriend (guest star RICK FOX three-time NBA champion with the Los Angeles Lakers).
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, E8

The 21-Second Excitation

When the guys camp in line for a screening, their plans are thwarted by Sheldon's greatest nemesis, WIL WHEATON (guest starring as himself). Meanwhile, Penny and Bernadette invite Amy to her first slumber party.

Melissa Rauch on Apple