
♪ The autotrophs BEGAN to drool,
Neanderthals developed tools ♪
The Big Bang Theory Season 7, Episode 7

# The autotrophs BEGAN to drool,
Neanderthals developed tools #
The Big Bang Theory Season 11, Episode 9

♪ The Earth BEGAN to cool ♪
The Big Bang Theory Season 12, Episode 15

♪ The Earth BEGAN to cool ♪
The Big Bang Theory Season 5, Episode 11

♪ The Earth BEGAN to cool ♪
The Big Bang Theory Season 12, Episode 14