
Um, yeah, Halloween.
The Big Bang Theory Season 1, Episode 6

He didn't remember me, because the last
time we met I was in a Halloween costume.
The Big Bang Theory Season 2, Episode 14

Halloween party here.Okay.
The Big Bang Theory Season 12, Episode 6

Okay, well, I'd offer
you Halloween candy,
The Big Bang Theory Season 5, Episode 7

On Halloween.
On this couch.
The Big Bang Theory Season 12, Episode 6