I don't like to kiss and tell,
but somebody made it to EIGHTH base.
The Big Bang Theory Season 3, Episode 12
Pink wine and pizza bagels!
It's like EIGHTH grade all over again!
The Big Bang Theory Season 10, Episode 13
♪ Six times ten
to the EIGHTH atoms ♪
The Big Bang Theory Season 12, Episode 23
They'll need an EIGHTH hell to fit him in.
Game of Thrones Season 1, Episode 4
Yeah, and my EIGHTH favorite
episode of Professor Proton
The Big Bang Theory Season 7, Episode 7