He made me SIGN a waiver,
participate in an emergency fire drill...
The Big Bang Theory Season 4, Episode 24
That lab monkey told me he loved me
in SIGN language.
The Big Bang Theory Season 9, Episode 19
Please SIGN.
The Big Bang Theory Season 4, Episode 24
Anyway, enjoy your life.
Where do I SIGN?
The Big Bang Theory Season 7, Episode 16
one of those big cards
for us to SIGN...
The Big Bang Theory Season 7, Episode 19