A time machine from a science-fiction show
has nothing to do with Halloween.
The Big Bang Theory Season 6, Episode 5
at that first Halloween party
that you invited me to?
The Big Bang Theory Season 12, Episode 6
Halloween party here.Okay.
The Big Bang Theory Season 12, Episode 6
Halloween traditions
The Big Bang Theory Season 12, Episode 6
You even went as Avatar
for Halloween.
The Big Bang Theory Season 11, Episode 9