Somewhere between tool using
and cave PAINTING...
The Big Bang Theory Season 1, Episode 11
the PAINTING makes
you feel jealous
The Big Bang Theory Season 5, Episode 17
I took the PAINTING down was...
The Big Bang Theory Season 5, Episode 17
Didn't need a lawyer to get me
out of finger PAINTING,
The Big Bang Theory Season 9, Episode 18
The Penny-Amy PAINTING.
The Big Bang Theory Season 12, Episode 24