It was already targeted
to poke around a NUCLEAR reactor in Siberia.
The Big Bang Theory Season 2, Episode 7
...and tried to build
a NUCLEAR reactor in the tool shed.
The Big Bang Theory Season 8, Episode 23
...he built a small NUCLEAR reactor
in the shed...
The Big Bang Theory Season 1, Episode 4
I'm worried about Sheldon someday
setting off a low-yield NUCLEAR device...
The Big Bang Theory Season 4, Episode 3
Come on. Roll a six, Penny dies horribly
in a NUCLEAR meltdown.
The Big Bang Theory Season 3, Episode 7