♪ Of a RADIUM in a lead jar
The Big Bang Theory Season 12, Episode 23
♪ Of a RADIUM in a lead jar...
The Big Bang Theory Season 12, Episode 23
Don't you worry about the residual RADIUM
from the luminous dials?
The Big Bang Theory Season 2, Episode 1
bathed in the glow of their love
and the RADIUM
The Big Bang Theory Season 5, Episode 16
...this is Madame Curie killing herself
by discovering RADIUM.
The Big Bang Theory Season 6, Episode 4