Based on real events.
The Big Bang Theory Season 6, Episode 18
Oh, is he BASED on you?
The Big Bang Theory Season 11, Episode 15
The colors are BASED
on Star Trek: The Original Series.
The Big Bang Theory Season 1, Episode 13
I have a conclusion
BASED on an observation.
The Big Bang Theory Season 1, Episode 10
Well, BASED on what you told me,
I'm not surprised.
The Big Bang Theory Season 1, Episode 10