
She and Amy are dress shopping
for their PROM thing.
The Big Bang Theory Season 8, Episode 8

By the way, you try that
at the junior PROM, you get kicked out.
The Big Bang Theory Season 6, Episode 3

Yeah, that's a kid who's gonna
take his mother to PROM.
The Big Bang Theory Season 11, Episode 16

This is the boutonniere
from my high school PROM. Heh-heh.
The Big Bang Theory Season 8, Episode 18

I never went to my PROM.
The Big Bang Theory Season 5, Episode 3