
It's time for a very special guest CALLER.
The Big Bang Theory Season 8, Episode 20

We have another CALLER.
Hi, you're on Fun with Flags.
The Big Bang Theory Season 9, Episode 15

...there is a gentleman CALLER
bringing flowers to your fiancée as we speak.
The Big Bang Theory Season 8, Episode 7

All right, we have our next CALLER.
The Big Bang Theory Season 10, Episode 21

Thanks, CALLER. You know the movie
actually has a little bit of a cult following?
The Big Bang Theory Season 8, Episode 20