
who isn't made of GREASE or pie.
The Big Bang Theory Season 7, Episode 1

The trick to pancakes
is bacon GREASE.
The Big Bang Theory Season 5, Episode 6

Look, I have GREASE smudge on my hand
and I'm okay with it.
The Big Bang Theory Season 10, Episode 15

I've spent three and a half years
staring at GREASE boards full of equations.
The Big Bang Theory Season 1, Episode 4

I sat there the whole time
that we were watching "Grease,"
The Big Bang Theory Season 5, Episode 17