♪ Then nearly 14 billion years
ago EXPANSION started... Wait! ♪
The Big Bang Theory Season 7, Episode 24
# Then nearly 14 billion years
ago EXPANSION started... Wait! #
The Big Bang Theory Season 11, Episode 11
♪ Then nearly 14 billion years
ago EXPANSION started... Wait! ♪
The Big Bang Theory Season 7, Episode 17
♪ Then nearly 14 billion years
ago EXPANSION started... Wait! ♪
The Big Bang Theory Season 7, Episode 22
# Then nearly 14 billion years
ago EXPANSION started... Wait! #
The Big Bang Theory Season 11, Episode 15