
♪ Our whole universe
was in a hot, DENSE state ♪
The Big Bang Theory Season 7, Episode 1

♪ Our whole universe
was in a hot, DENSE state ♪
The Big Bang Theory Season 7, Episode 15

♪ Our whole universe
was in a hot, DENSE state ♪
The Big Bang Theory Season 7, Episode 23

♪ Our whole universe
was in a hot, DENSE state ♪
The Big Bang Theory Season 12, Episode 21

♪ Our whole universe
was in a hot, DENSE state ♪
The Big Bang Theory Season 12, Episode 23