It's time for a very special guest CALLER.
The Big Bang Theory Season 8, Episode 20
...suggesting that he has
no personal relationship with the CALLER.
The Big Bang Theory Season 2, Episode 15
Thanks, CALLER. You know the movie
actually has a little bit of a cult following?
The Big Bang Theory Season 8, Episode 20
Need the location of an incoming CALLER.
Breaking Bad Season 5, Episode 14
Hello, CALLER. You are on with Penny and Wil
from Serial Ape-ist 2.
The Big Bang Theory Season 8, Episode 20