Don't you worry about the RESIDUAL radium
from the luminous dials?
The Big Bang Theory Season 2, Episode 1
under the RESIDUAL effects
of the anesthesia,
The Big Bang Theory Season 5, Episode 15
and I got a Lion King
RESIDUAL check
The Big Bang Theory Season 7, Episode 14
Anyway, I got a little RESIDUAL
check from my commercial,
The Big Bang Theory Season 5, Episode 20
I'm measuring RESIDUAL heat levels
on the playing cards...
The Big Bang Theory Season 4, Episode 18