Ka'a EXPANSION pack.
The Big Bang Theory Season 5, Episode 10
♪ Then nearly 14 billion years
ago EXPANSION started... Wait! ♪
The Big Bang Theory Season 7, Episode 10
# Then nearly 14 billion years
ago EXPANSION started... Wait! #
The Big Bang Theory Season 11, Episode 15
# Then nearly 14 billion years
ago EXPANSION started... Wait! #
The Big Bang Theory Season 11, Episode 12
♪ Then nearly 14 billion years
ago EXPANSION started... Wait! ♪
The Big Bang Theory Season 5, Episode 24