Do you remember
what happened to the ALIEN...
The Big Bang Theory Season 4, Episode 21
[IN ALIEN LANGUAGE]
The Big Bang Theory Season 8, Episode 21
...who's been replaced with an ALIEN pod.
The Big Bang Theory Season 2, Episode 6
I thought you were gonna be an ALIEN.
The Big Bang Theory Season 8, Episode 8
I may be an ALIEN, but I have urges.
The Big Bang Theory Season 8, Episode 8