
In what UNIVERSE do I have Penny?
The Big Bang Theory Season 1, Episode 15

♪ Our whole UNIVERSE
was in a hot, dense state ♪
The Big Bang Theory Season 12, Episode 13

♪ Our whole UNIVERSE
was in a hot, dense state ♪
The Big Bang Theory Season 7, Episode 20

♪ Our whole UNIVERSE
was in a hot, dense state ♪
The Big Bang Theory Season 7, Episode 21

♪ Our whole UNIVERSE
was in a hot, dense state ♪
The Big Bang Theory Season 7, Episode 3