...until the box is opened, the CAT
can be thought of as both alive and dead.
The Big Bang Theory Season 1, Episode 17
- Fine. I'll be a ninja, you be a CAT burglar.
- No, we both have to be the same thing.
The Big Bang Theory Season 6, Episode 8
...with a genetically altered CAT?
The Big Bang Theory Season 1, Episode 3
Um, there's this CAT in a box
and until you open it,
The Big Bang Theory Season 5, Episode 5
...the civet CAT is not a true CAT.
The Big Bang Theory Season 2, Episode 16