Some guy is auctioning off
a miniature time-machine PROP...
The Big Bang Theory Season 1, Episode 14
Well, I think the most
memorable PROP that we have
The Big Bang Theory Season 12, Episode 24
It's a PROP from a movie
and we're kind of fighting over it.
The Big Bang Theory Season 3, Episode 17
...is a PROP from a movie
and I don't even get to keep it?
The Big Bang Theory Season 3, Episode 17
I am your professor,
and you're going to treat me with the PROP...
The Big Bang Theory Season 8, Episode 2