
I've been sending Bernie
Christmas cards from Trixie.
The Big Bang Theory Season 10, Episode 20

from Nightmare Before Christmas.
The Big Bang Theory Season 10, Episode 7

If ifs and buts were candy and nuts,
we'd all have a merry Christmas.
The Big Bang Theory Season 4, Episode 7

- Merry Christmas.
- Merry Christmas.
The Big Bang Theory Season 2, Episode 11

the broken Christmas tree
lights, so it was after that.
The Big Bang Theory Season 12, Episode 18