♪ Then nearly 14 BILLION years
ago expansion started... Wait! ♪
The Big Bang Theory Season 7, Episode 12
What do 1.3 BILLION people
know about having babies?
The Big Bang Theory Season 10, Episode 11
♪ Then nearly
14 BILLION years ago ♪
The Big Bang Theory Season 12, Episode 23
♪ Then nearly 14 BILLION years
ago expansion started... Wait! ♪
The Big Bang Theory Season 7, Episode 23
♪ Then nearly 14 BILLION years
ago expansion started... Wait! ♪
The Big Bang Theory Season 7, Episode 18