
Come on, Sheldon,
you can't turn your back on PHYSICS.
The Big Bang Theory Season 10, Episode 15

All right, well, let me see if I can
explain your situation using PHYSICS.
The Big Bang Theory Season 4, Episode 5

Physics Mad-Libs.
The Big Bang Theory Season 5, Episode 16

Loop quantum gravity
is the future of PHYSICS.
The Big Bang Theory Season 2, Episode 2

on a plasma PHYSICS study.
The Big Bang Theory Season 12, Episode 20