You know, if you wanna make EXTRA money,
I could throw some work your way.
The Big Bang Theory Season 10, Episode 17
Well, I guess it wouldn't hurt to meet
some fans and make a little EXTRA money.
The Big Bang Theory Season 10, Episode 6
of EXTRA dimensions.
The Big Bang Theory Season 7, Episode 20
Really? Did they find evidence
to support EXTRA dimensions
The Big Bang Theory Season 7, Episode 20
with the baby coming,
I figured they could use some EXTRA help.
The Big Bang Theory Season 10, Episode 10