- Penny, aren't you gonna draw something?
- Relax, we've got time. This is so FUN.
The Big Bang Theory Season 6, Episode 4
...then pose questions to each other.
- It's FUN for ages 8 to 80. Join us.
The Big Bang Theory Season 4, Episode 3
Okay, have FUN.
The Big Bang Theory Season 7, Episode 15
All right, well, have FUN.
The Big Bang Theory Season 10, Episode 22
But sometimes it's FUN to creep
yourself out thinking about it.
The Big Bang Theory Season 5, Episode 6