
♪ Then nearly 14 BILLION years
ago expansion started... Wait! ♪
The Big Bang Theory Season 7, Episode 18

♪ Then nearly 14 BILLION years
ago expansion started... Wait! ♪
The Big Bang Theory Season 7, Episode 11

♪ Then nearly 14 BILLION years
ago expansion started... Wait! ♪
The Big Bang Theory Season 7, Episode 12

♪ Then nearly 14 BILLION years
ago expansion started... Wait! ♪
The Big Bang Theory Season 12, Episode 4

♪ Then nearly 14 BILLION years
ago expansion started... Wait! ♪
The Big Bang Theory Season 7, Episode 4