Sheldon, you are
the most SHALLOW,
The Big Bang Theory Season 5, Episode 12
It-It's stupid and SHALLOW,
but I just can't help it.
The Big Bang Theory Season 12, Episode 23
My point is, if Koothrappali is moving on
to a new life of SHALLOW, undeserved fame...
The Big Bang Theory Season 2, Episode 4
( SHALLOW breaths )
Westworld Season 2, Episode 4
Vikings Season 1, Episode 6