I thought you were gonna be an ALIEN.
The Big Bang Theory Season 8, Episode 8
When I encountered ALIEN life, I discovered
that the key thing was not to sit in its spot.
The Big Bang Theory Season 8, Episode 21
...discover our weaknesses,
and report back to your ALIEN overlords.
The Big Bang Theory Season 3, Episode 15
Okay, here's a question.
As an ALIEN pretending to be human...
The Big Bang Theory Season 8, Episode 8
He was only pretending to be scared to trick the ALIEN king.
The Big Bang Theory Season 12, Episode 18