The Big Bang Theory: Season 4 Episode 23: The Engagement Reaction
Starring: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Carol Ann Susi
Length: 20 minutes
On Air Date: 8 Sept 2011
The Big Bang Theory: S04E23 Description: 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 bond.