
a relationship BASED on honesty.
The Big Bang Theory Season 7, Episode 21

Based on your cost of materials
and your wholesale selling price...
The Big Bang Theory Season 2, Episode 18

Well, Logan's
actually BASED on me.
The Big Bang Theory Season 11, Episode 15

I get to take a test
BASED on 125-page manual.
The Big Bang Theory Season 10, Episode 15

So it's BASED on your life.
The Big Bang Theory Season 1, Episode 1