In the main titles main cast and special guest stars are credited among with their respective favorite Christmas/winter holidays movies.
In the end credits: "I'm nearly sure I forgot someone. Sorry for that. If I did, I'll credit you in the next episode".
"In memory of people who continue to bring holiday spirit to me: Eldar Ryazanov, David Bowie (Merry Christmas Maj. Celliers), Alan Rickman, George Gaynes, Larry Drake and Ralph Foody".