
Okay. You ladies have FUN tonight.
The Big Bang Theory Season 10, Episode 15

I've tried to make it FUN.
The Big Bang Theory Season 5, Episode 15

Come on, Sheldon,
it'll be FUN.
The Big Bang Theory Season 5, Episode 24

This is FUN!
The Big Bang Theory Season 10, Episode 8

That was FUN, ha, ha.
The Big Bang Theory Season 3, Episode 4