
I wanted to see the EXPRESSION
on your face
The Big Bang Theory Season 12, Episode 19

This calls for an
EXPRESSION of gratitude.
The Big Bang Theory Season 5, Episode 20

It led to an interesting EXPRESSION
in our house:
The Big Bang Theory Season 2, Episode 9

What exactly does that EXPRESSION mean,
"friends with benefits"?
The Big Bang Theory Season 2, Episode 21

...and did so
using a stern facial EXPRESSION.
The Big Bang Theory Season 4, Episode 24