![♪ Our whole universe
was in a hot, dense state ♪
♪ Our whole universe
was in a hot, dense state ♪](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
♪ Our whole UNIVERSE
was in a hot, dense state ♪
The Big Bang Theory Season 12, Episode 12
![# Our whole universe
was in a hot, dense state #
# Our whole universe
was in a hot, dense state #](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
# Our whole UNIVERSE
was in a hot, dense state #
The Big Bang Theory Season 11, Episode 14
![Is our universe the only universe?
Is our universe the only universe?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Is our UNIVERSE the only UNIVERSE?
The Big Bang Theory Season 4, Episode 20
![...that could serve as a portal
to a parallel universe.
...that could serve as a portal
to a parallel universe.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...that could serve as a portal
to a parallel UNIVERSE.
The Big Bang Theory Season 6, Episode 8
![Uh, but what he does understand
is how the universe works,
Uh, but what he does understand
is how the universe works,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Uh, but what he does understand
is how the UNIVERSE works,
The Big Bang Theory Season 12, Episode 18