TV series example of the word

The Big Bang Theory Season 7, Episode 4
♪ The Earth began to cool

The Big Bang Theory Season 5, Episode 5
♪ The autotrophs began to drool, Neanderthals developed tools ♪

The Big Bang Theory Season 11, Episode 16
# The Earth began to cool #

The Big Bang Theory Season 7, Episode 16
♪ The Earth began to cool

The Big Bang Theory Season 12, Episode 4
♪ The Earth began to cool