
date back to the Celtic
FESTIVAL of Samhain.
The Big Bang Theory Season 12, Episode 6

Because I checked
the Sheep and Wool Festival website,
The Big Bang Theory Season 9, Episode 11

No, because we don't celebrate
the ancient pagan FESTIVAL of Saturnalia.
The Big Bang Theory Season 2, Episode 11

Who did you see
at the barbecue FESTIVAL?
The Big Bang Theory Season 11, Episode 13

You know I can't talk to women unless
I'm lit up like the Hindu FESTIVAL of Diwali.
The Big Bang Theory Season 2, Episode 20