♪ Our whole UNIVERSE
was in a hot, dense state ♪
The Big Bang Theory Season 5, Episode 23
♪ Our whole UNIVERSE
was in a hot, dense state ♪
The Big Bang Theory Season 5, Episode 10
# Our whole UNIVERSE
was in a hot, dense state #
The Big Bang Theory Season 11, Episode 12
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