For more details on this episode, you can check the full recap on the Big Bang Theory Wiki or view critic reviews on Rotten Tomatoes .
In the episode (Season 7, Episode 18) of The Big Bang Theory , Sheldon's surprise visit to his mother in Houston leads to a shocking discovery, while Raj hosts a murder mystery party back in Pasadena. Sheldon's "New Reality" in Houston [S7E18] The Mommy Observation
: After touring NASA, Sheldon and Howard drop in unannounced at Sheldon’s mother’s house. Sheldon looks through the window and catches his mother, Mary Cooper, having sex with a man named Ron. For more details on this episode, you can