Guest Star: Buzz Aldrin
You are viewing a list of Buzz Aldrin's 1 appearance on The Big Bang Theory.
Season 6, Episode 5 - The Holographic Excitation
Aired October 25, 2012
While Raj helps Stuart with the annual Halloween party at the comic book store, Sheldon and Amy are divided over their couples costume. Meanwhile, Penny takes a greater interest in Leonard's work, while Howard annoys his friends by constantly talking about his trip to space.
Appeared as Himself