There was no ALIEN.
[chuckles]
The Big Bang Theory Season 12, Episode 18
He was only pretending to be scared to trick the ALIEN king.
The Big Bang Theory Season 12, Episode 18
I'm even on some
ALIEN conspiracy blog.
The Big Bang Theory Season 12, Episode 20
No ALIEN lady ever told Captain Kirk,
"Hey, get your thing out of my nose."
The Big Bang Theory Season 1, Episode 13
...he's allergic to Earth nuts,
but I'm the ALIEN.
The Big Bang Theory Season 8, Episode 21