Episode Titles: Observation
You are viewing a list of 3 The Big Bang Theory episodes featuring "Observation" in their title.
The Higgs Boson Observation
Season 6, Episode 3 - Aired October 11, 2012
Amy has feelings of jealousy when Sheldon hires a young female assistant, although she seems more interested in Leonard than Sheldon. Meanwhile, Howard's time aboard the International Space Station is beginning to take its toll.
The Mommy Observation
Season 7, Episode 18 - Aired March 13, 2014
When Sheldon stops by his mom's house in Texas, he must learn to deal with her new romantic status. Meanwhile, Raj throws a "Murder Mystery" party for the gang, leading to tension among the friends.
The Mystery Date Observation
Season 9, Episode 8 - Aired November 12, 2015
Sheldon, Wolowitz and Koothrappali post an online advertisement to find Sheldon a new girlfriend. Also, when Amy is coy with details about a guy she is dating, Penny and Bernadette decide to spy.