
SHELDON: I think I figured out
Wolowitz's magic TRICK...
The Big Bang Theory Season 4, Episode 18

Is the TRICK making him disappear?
The Big Bang Theory Season 4, Episode 18

You know that TRICK where
you saw a mannequin in half?
The Big Bang Theory Season 12, Episode 10

A cruel TRICK indeed.
The Big Bang Theory Season 2, Episode 6

to TRICK or treat.
The Big Bang Theory Season 5, Episode 21