Here's a run-down of Christmas TV which may be of interest. It's a mixture of specials (both new and repeats), other repeats, films, etc - not all strictly comedy either - but not complete by any means. Hopefully it'll be of use to some of you. 
Tuesday 19th December
The Worst Christmas of My Life
9:30pm - 10:00pm
BBC 1
Thursday 21st December
The Worst Christmas of My Life
9:30pm - 10:00pm
BBC 1
Father Ted Christmas Special
10:30pm - 11:40pm
Channel 4
Friday 22nd December
The Worst Christmas of My Life
9:30pm - 10:00pm
BBC 1
QI Christmas Special
10:00pm - 10:30pm
BBC 2
Friday Night with Jonthan Ross
10:35pm - 11:35pm
BBC 1
The Story of Light Entertainment - Double Acts
11:50pm - 01:25am
BBC 2
Saturday 23rd December
Steptoe and Son
09:20am - 10:20am
UKTV Gold
The Nightmare Before Christmas (Film)
04:45pm - 05:55pm
BBC 2
Porridge
06:55pm - 07:40pm
BBC 2
TOTP 2 Christmas Special
07:40pm - 09:10pm
BBC 2
The Story of Light Entertainment - All Round Entertainers
11:50pm - 01:20am
BBC 2
Christmas Eve
The Two Ronnies / Ronnie Corbett: Ronnie and Me
10:40am - 07:00pm
ITV3
Dad's Army
07:50pm - 08:30pm
BBC 2
Never Mind the Buzzcocks Bumper Edition
09:30pm - 10:15pm
BBC 2
Mock the Week
10:15pm - 10:45pm
BBC 2
Grumpy Old Men at Christmas
10:45pm - 11:45pm
BBC 2
A Fish Called Wanda (Film)
11:15pm - 01:15am
Channel 4
The Story of Light Entertainment - Radio Stars
11:45pm - 01:15am
BBC 2
Christmas Day
The Two Ronnies / Ronnie Corbett: Ronnie and Me
06:30am - 07:30pm
ITV3
The Green Green Grass
03:10pm - 03:55pm
BBC 1
My Family
05:20pm - 06:10pm
BBC 1
Doctor Who
07:00pm - 08:00pm
BBC 1
Porridge
07:15pm - 08:00pm
BBC 2
Rising Damp Christmas Special
07:30pm - 08:00pm
ITV3
The Vicar of Dibley
09:30pm - 10:30pm
BBC 1
Ricky Gervais Meets... Christopher Guest
10:00pm - 11:05pm
Channel 4
Ricky Gervais: Politics
11:05pm - 12:40am
Channel 4
Little Britain Abroad
10:30pm - 11:00pm
BBC 1
Boxing Day
The Story of Light Entertainment - The Comics
12:35am - 02:05am
BBC 2
2 Point 4 Children
01:30am - 02:20am
UKTV Gold
The Two Ronnies Christmas Sketchbook
11:55am - 12:55pm
BBC 1
Carry on Spying (Film)
12:20pm - 01:45pm
BBC 2
Dad's Army
07:00pm - 07:30pm
BBC 2
Pirates of the Carbbean: The Curse of the Black Pearl
07:30pm - 09:45pm
BBC 1
Challenge Anneka
08:00pm - 09:00pm
ITV1
On the Buses (Film)
08:00pm - 09:50pm
ITV3
Jam & Jerusalem
09:45pm - 10:15pm
BBC 1
Mutiny on the Buses (Film)
09:50pm - 11:30pm
ITV3
Grumpy Old Women at Christmas
10:30pm - 11:00pm
BBC 2
Lenny Henry.TV
10:35pm - 11:05pm
BBC 1
Ricky Gervais Meets... Gary Shandling
11:15pm - 12:20am
Channel 4
The Story of Light Entertainment - Pop and Easy Listening
11:40pm - 01:10am
BBC 2
Wednesday 27th December
Carry on Follow that Camel (Film)
12:35am - 02:15am
BBC 1
Keeping Up Appearances
10:30am - 11:30am
BBC 1
Doctor in Trouble (Film)
11:05am - 12:55pm
UKTV Gold
Rising Damp
02:00pm - 08:00pm
ITV3
The Two Ronnies Sketchbook
04:35pm - 05:35pm
BBC 1
Dad's Army (Film)
07:00pm - 08:30pm
BBC 2
Monty Python's And Now For Something Completely Different
08:00pm - 09:50pm
ITV3
Thursday 28th December
The Story of Light Entertainment - Impressionists
12:00am - 01:30am
BBC 2
The Two Ronnies Sketchbook
12:15pm - 01:15pm
BBC 1
Dad's Army
07:30pm - 08:00pm
BBC 2
The Unseen Eric Morecambe
07:30pm - 09:00pm
Channel 4
It Started with Swap Shop
09:00pm - 11:10pm
BBC 2
Is Benny Hill Still Funny?
09:00pm - 10:00pm
Channel 4
Not Only But Always (Film)
10:00pm - 12:05am
Channel 4
Never Mind the Full Stops Christmas Special
10:00pm - 10:30pm
BBC Four
The Likely Lads (Film)
11:25pm - 01:10am
ITV3
The Story of Light Entertainment - Chat Shows
11:50pm - 01:20am
BBC 2
Friday 29th December
My Family
12:15pm - 01:05pm
BBC 1
Muppet Treasure Island (Film)
01:50pm - 03:20pm
BBC 1
The Good Life
06:30pm - 07:00pm
BBC 2
Grumpy Old New Year
09:00pm - 10:00pm
BBC 2
Best Ever Spitting Image Moments
11:00pm - 12:05am
ITV1
Ace Ventura: When Nature Calls (Film)
11:05pm - 12:30am
BBC 1
The Story of Light Entertainment - Variety
11:55pm - 01:25am
BBC 2
Saturday 30th December
Carry on Matron (Films)
09:15am - 11:10am
UKTV Gold
One of Our Dinosaurs is Missing (Film)
09:40am - 11:20pm
ITV1
The Muppets' Wizard of Oz (Film)
05:35pm - 07:10pm
Channel Five
Harry Hill's Christmas TV Burp
07:30pm - 08:00pm
ITV1
Little Britain Abroad
09:15pm - 09:45pm
BBC 1
The League of Gentlemen Christmas Special
11:20pm - 12:15pm
BBC Four
Steptoe and Son (Film)
11:45pm - 01:20am
BBC 2
New Year's Eve
Doctor in the House (Film)
09:05am - 11:00am
UKTV Gold
The Two Ronnies Sketchbook
01:00pm - 02:00pm
BBC 1
Up Pompeii (Film)
08:00pm - 09:45pm
ITV3
Grumpy Old New Year
08:05pm - 09:00pm
BBC 2
New Year's Day
Carry on Up The Jungle (Film)
11:10am - 01:00pm
UKTV Gold
Carry on Matron
01:00pm - 02:55pm
UKTV Gold
Keeping Up Appearances
01:05pm - 01:35pm
BBC 1
Carry on Follow That Camel (Film)
02:55pm - 04:50pm
UKTV Gold
Chitty Chitty Bang Bang (Film)
04:14pm - 06:45pm
ITV1
The Great Escape (Film)
05:15pm - 08:00pm
BBC 2
Addams Family Values (Film)
06:05pm - 07:45pm
Channel 4
The Secret Life of Brian
08:00pm - 09:00pm
Channel 4
Monty Python's Life of Brian (Film)
09:00pm - 10:45pm
Channel 4
The Vicar of Dibley
09:30pm - 10:30pm
BBC 1
What The Pythons Did Next...
10:45pm - 11:50pm
Channel 4
Tuesday 2nd January
Mary Poppins (Film)
08:00pm - 10:45pm
ITV3
All The Best From Denis Norden
09:00pm - 10:00pm
ITV1
The Thick of It
10:30pm - 11:30pm
BBC Four
Shaun of the Dead (Film)
11:00pm - 12:55am
ITV2
Thursday 4th January
Green Wing Special
10:00pm - 11:50pm
Channel 4
Also, some of you may be interested in Green Wing series 2 repeats, early mornings (i.e. around midnight - 2 am starts) on Channel 4, from 27th onwards.
- I suppose it is comedy in a twisted way.
