
There's some poor woman
who's gonna pin her hopes on my SPERM.
The Big Bang Theory Season 1, Episode 1

Oh, maybe I could sell my blood and SPERM!
The Big Bang Theory Season 10, Episode 17

I will find an appropriate SPERM donor
for your eggs...
The Big Bang Theory Season 1, Episode 15

I've never reneged
on a proffer of SPERM before.
The Big Bang Theory Season 1, Episode 1

I know....SPERM.
The Big Bang Theory Season 12, Episode 12