The Big Bang Theory

The Big Bang Theory (2007-present).

The following firearms were used on the television show The Big Bang Theory:

Smith and Wesson 5904

Penny (Kaley Cuoco) and Leonard Hofstadter (Johnny Galecki) use a Smith & Wesson 5904 during a date at the range in episode 5.14 "The Beta Test Initiation."

Late Model Smith & Wesson 5904 - 9mm

"All right...let's shoot stuff." Penny checks the chamber of the S&W 5904 before slapping in the magazine. There is also a revolver in the gun case.

"I play a lot of Grand Theft Auto, I think I know how to handle a gat." Note the ambidextrous safety. Despite not having a round chambered and the safety on, Leonard manages to shoot himself in the foot while Penny kisses him.