Last night, Raj accidentally made
contact with an alien CIVILIZATION...
The Big Bang Theory Season 4, Episode 9
we're gonna have to
rebuild CIVILIZATION.
The Big Bang Theory Season 12, Episode 14
End of human CIVILIZATION.
Westworld Season 3, Episode 8
And what a CIVILIZATION is the Greeks'.
The Big Bang Theory Season 4, Episode 21
could be evidence
of alien CIVILIZATION.
The Big Bang Theory Season 12, Episode 20