You know, I have to say,
BASED on the candy wrappers
The Big Bang Theory Season 10, Episode 8
from a movie
BASED on a comic book,
The Big Bang Theory Season 5, Episode 5
Yeah. It's kinda
BASED on my life.
The Big Bang Theory Season 5, Episode 7
...the success or failure of the date would
be BASED on the biochemical reaction...
The Big Bang Theory Season 1, Episode 3
Based on the geometric progression...
The Big Bang Theory Season 2, Episode 9