
There's some poor woman
who's gonna pin her hopes on my SPERM.
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

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

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

- Are you still mad about the SPERM bank?
- No.
The Big Bang Theory Season 1, Episode 1