Now, in the beloved novel
Hitchhiker's Guide to the Galaxy...
The Big Bang Theory Season 8, Episode 8
If my father's any GUIDE,
around 50,
The Big Bang Theory Season 12, Episode 5
I'm happy just to GUIDE you
to suitable entertainment choices.
The Big Bang Theory Season 3, Episode 14
Kleingast's Field Guide
to North American Insects.
The Big Bang Theory Season 3, Episode 2