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

We're showing
Sheldon Halloween.
The Big Bang Theory Season 12, Episode 6

- I thought you liked Halloween.
- I do...
The Big Bang Theory Season 6, Episode 5

A time machine from a science-fiction show
has nothing to do with Halloween.
The Big Bang Theory Season 6, Episode 5

You know, like how I practiced
for that Halloween haunted house
The Big Bang Theory Season 10, Episode 6