What says Christmas more than looking at a couple of Doctor Who stories that happened to air in Christmas week? And, since regeneration is in the air, why not feature that too?

OK, so the first one is a bit of a cheat, 3rd Doctor finale Planet of the Spiders from Season 11 was repeated during the Christmas holidays in 1974, but after that we'll examine the 11th Doctor's swansong The Time of the Doctor which was the Christmas special in the anniversary year of 2013. This episode consists of the first half of that conversation, featuring Planet of the Spiders. Next time we'll move onto The Time of the Doctor and make comparisons.

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Giles' book A History of the Universe in 21 Stars: (and 3 Imposters) can be found in all good bookshops and also here: https://www.amazon.co.uk/History-Universe-21-Stars-Imposters/dp/1787394654/

Head over to https://www.bigfinish.com/, where we all love Paul's stories.

Richard has another podcast with co-host Nicola, called "If It's Hurting, It's not Working" and it's a fun and informative look at work - why we work, how we work, and what makes a great job. Go to https://ifhurtnotwork.podbean.com/ and https://ifhurtnot.work for more.

Our cover art was designed for us by Bea Garrido. She's a really talented artist, who you can find on Twitter using @BeaGarrido00, where, among other artworks, you can see some remarkable paintings of characters from Doctor Who.