See, Leonard refused to PARTICIPATE
The Big Bang Theory Season 9, Episode 21
He made me sign a waiver,
PARTICIPATE in an emergency fire drill...
The Big Bang Theory Season 4, Episode 24
...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
Yes, it tells us that you PARTICIPATE
in the mass cultural delusion...
The Big Bang Theory Season 1, Episode 1