Come on. Roll a six, Penny dies horribly
in a NUCLEAR meltdown.
The Big Bang Theory Season 3, Episode 7
I'm worried about Sheldon someday
setting off a low-yield NUCLEAR device...
The Big Bang Theory Season 4, Episode 3
because things
have gone NUCLEAR.
Breaking Bad Season 5, Episode 11
...he built a small NUCLEAR reactor
in the shed...
The Big Bang Theory Season 1, Episode 4
Luckily for you,
this is not a NUCLEAR reactor.
The Big Bang Theory Season 1, Episode 16