TV

Blankety Blank
2x10 Christmas Special [season finale]
[Watch it (again) on iPlayer.]

Christmas Comedy Club with Lost Voice Guy (2022)
They did one of these last year, and on ITVX there's no way to differentiate between the two (other than reading the full blurb, which lists the guests; and then to know whether you're watching 2021's or 2022's, you'd have to know who appeared on each). In other words: ITVX still has some work to do.
[Watch it (again) on ITVX.]

Luke Evans: Showtime
[Watch it (again) on iPlayer.]

Only Connect
18s01 Christmas: Polyhymnians v Channel Islanders
[Watch it (again) on iPlayer.]

Richard Osman's Festive House of Games
1x03 Week 1: Wednesday
[Watch various episodes (again) on iPlayer.]

Wonderland: The Story of Christmas