The Big Bang Theory: Season 7 Episode 18: The Mommy Observation
Starring: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Christine Baranski
Length: 21 minutes
On Air Date: 13 Mar 2014
The Big Bang Theory: S07E18 Description: When Sheldon visits his mother in Houston, he is forced to confront a new reality. Back in Pasadena, the rest of the gang reluctantly take part in Raj’s Murder Mystery party.