
♪ The Earth began to COOL ♪
The Big Bang Theory Season 5, Episode 10

then I could act COOL
about it with her.
The Big Bang Theory Season 7, Episode 21

Okay. That's COOL.
Breaking Bad Season 2, Episode 8

Okay, COOL,
I don't need the PBS special.
The Big Bang Theory Season 3, Episode 10

♪ The Earth began to COOL
The Big Bang Theory Season 7, Episode 14