
♪ Then nearly 14 billion years
AGO expansion started... Wait! ♪
The Big Bang Theory Season 5, Episode 16

About 12 seconds AGO.
The Big Bang Theory Season 2, Episode 16

Not so many years AGO
we fought as enemies at the Trident.
Game of Thrones Season 1, Episode 5

# Then nearly 14 billion years
AGO expansion started... Wait! #
The Big Bang Theory Season 11, Episode 15

It was a long time AGO
and it was an accident.
The Big Bang Theory Season 9, Episode 9