
A couple of months AGO.
It was back-ordered.
The Big Bang Theory Season 2, Episode 14

♪ Then nearly 14 billion years
AGO expansion started... Wait! ♪
The Big Bang Theory Season 12, Episode 23

You should have asked me 20 years AGO.
Game of Thrones Season 1, Episode 2

♪ Then nearly 14 billion years
AGO expansion started... Wait! ♪
The Big Bang Theory Season 7, Episode 13

Ten years AGO,
upon first seeing me,
The Big Bang Theory Season 7, Episode 17