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