Watch this classic "Acting Like Sheldon's Parents" clip from the comedy series The Big Bang Theory, created by Chuck and Lorre Bill Prady.

The Big Bang Theory Cast:

Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Sara Gilbert, Mayim Bialik, Melissa Rauch, Kevin Sussman and Laura Spencer

Stream The Big Bang Theory now on Max!