Season 7, Episode 18 The Mommy Observation
First Aired: March 13, 2014
Howard and Sheldon tour NASA in Houston and pay a visit to Sheldon's mother, who greets him with a surprise. Meanwhile, back at home, Raj surprises the rest of the gang with a murder-mystery game-playing evening that's not the killer party he expected it to be.
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- Premiered: September 24, 2007
- Rating: TV-PG
- Premise: Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. Like the universe after the big bang, the show's popularity expanded, thanks to breakout star Jim Parsons, along with the… (more)