I remember Click and Collect. Are there any other one-offs scheduled for this year?

Lots of Christmas sitcoms & other seasonal comedy on BBC4 this week:

Monday:
Keeping Up Appearances;
To The Manor Born;
'allo 'allo

Tuesday:
Steptoe & Son

Wednesday:
Dinner Ladies;
Les Dawson at Christmas;
Mike Yarwood at the BBC

Thursday:
Sykes;
The Good Life

Plus, on BBC2 each night:

Sunday: Dad's Army
Monday: Some Mothers...
Tuesday: Butterflies
Wednesday: Porridge
Thursday: Detectorists
Friday: Blackadder's Christmas Carol

And Christmas Lights with Mark Benton & Robson Green on TPTV tonight (Sunday) at 6.55pm.