He made me sign a waiver,
PARTICIPATE in an emergency fire drill...
The Big Bang Theory Season 4, Episode 24
...we're going to PARTICIPATE
in my cousin Leopold's drug intervention.
The Big Bang Theory Season 1, Episode 10
...that I wouldn't PARTICIPATE.
The Big Bang Theory Season 1, Episode 1
Participate in the what?
The Big Bang Theory Season 1, Episode 1
See, Leonard refused to PARTICIPATE
The Big Bang Theory Season 9, Episode 21