
Sheldon, this is silly.
I'm not missing another PROM.
The Big Bang Theory Season 8, Episode 8

Junior PROM.
The Big Bang Theory Season 5, Episode 11

Go ahead,
tell her about your senior PROM.
The Big Bang Theory Season 1, Episode 16

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

You know, because a lot of people
lose their virginity on PROM night.
The Big Bang Theory Season 8, Episode 8