Duration: 22m

TV-PG 8.0 Comedy / Romance

The Big Bang Theory S4E23

Howard believes that his mom suffered a heart attack because he told her that he's marrying Bernadette, Sheldon freaks out over germs, and Penny and Priya compare notes on Leonard.

Release Date: May 12, 2011 (USA)

Creator: Chuck Lorre, Bill Prady

Cast: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Mayim Bialik, Kevin Sussman, Bob Newhart