
- What the hell is EIGHTH base?
- Seventh base with shirt off.
The Big Bang Theory Season 3, Episode 12

♪ Three times ten
to the EIGHTH atoms ♪
The Big Bang Theory Season 12, Episode 23

Yeah, and my EIGHTH favorite
episode of Professor Proton
The Big Bang Theory Season 7, Episode 7

They'll need an EIGHTH hell to fit him in.
Game of Thrones Season 1, Episode 4

I don't like to kiss and tell,
but somebody made it to EIGHTH base.
The Big Bang Theory Season 3, Episode 12