
in Hitchhiker's Guide
to the Galaxy,
The Big Bang Theory Season 7, Episode 16

Hitchhiker's Guide
to the Galaxy.
The Big Bang Theory Season 7, Episode 6

...so that he could write an entry about Earth
for The Hitchhiker's Guide to the Galaxy.
The Big Bang Theory Season 8, Episode 8

It's in a GALAXY far, far away.
The Big Bang Theory Season 2, Episode 21

the guardians of peace
and justice in the GALAXY.
The Big Bang Theory Season 9, Episode 11