...Star Trek: The Original Series
"Trouble With Tribbles" crossover episode.
The Big Bang Theory Season 2, Episode 20
You know Star Trek.
The Big Bang Theory Season 6, Episode 24
The Star Trek reference
and the play on words...
The Big Bang Theory Season 2, Episode 22
Secondly, Star Trek I is orders of
magnitude worse than Star Trek V.
The Big Bang Theory Season 2, Episode 8
...I finally arrived at the
Fourth Annual Dixie Trek Convention...
The Big Bang Theory Season 3, Episode 5