Not sure in terms of the poll as I can never quite choose between the Christmas Invasion and a Christmas carol. A Christmas carol works best of the two as a standalone - as in an episode you could show to someone who only knows the basic's of doctor who and doesn't really watch regularly, but in terms of the episodes for people who are fan's, they both offer so much in different ways that I consider them both my joint favourites.
Running a close second to those is Last christmas.
Hang on a second, I've just realised the formula for a good Christmas episode - they just have to have the word 'Christmas' in the title
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Running a close second to those is Last christmas.
Hang on a second, I've just realised the formula for a good Christmas episode - they just have to have the word 'Christmas' in the title

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