There's some poor woman
who's gonna pin her hopes on my SPERM.
The Big Bang Theory Season 1, Episode 1
I've never reneged
on a proffer of SPERM before.
The Big Bang Theory Season 1, Episode 1
You're paying?
Have you been selling your SPERM again?
The Big Bang Theory Season 2, Episode 22
Oh, maybe I could sell my blood and SPERM!
The Big Bang Theory Season 10, Episode 17
Um, is this the high-IQ SPERM bank?
The Big Bang Theory Season 1, Episode 1