I've spent three and a half years
staring at GREASE boards full of equations.
The Big Bang Theory Season 1, Episode 4
One week bacon GREASE
is bad for you.
The Big Bang Theory Season 5, Episode 6
who isn't made of GREASE or pie.
The Big Bang Theory Season 7, Episode 1
Well, we scrubbed out some
barrels of irradiated GREASE,
The Big Bang Theory Season 11, Episode 17
The trick to pancakes
is bacon GREASE.
The Big Bang Theory Season 5, Episode 6