Here's my updated list of favorite twenty-first stories:
1) The War Games by Malcolm Hulke and Terrance Dicks
2) Last of the Time Lords (Utopia, The Sound of Drums) by Russell T. Davies
3) The Daleks' Master Plan by Terry Nation and Dennis Spooner
4) Invasion of the Dinosaurs by Malcolm Hulke
5) The Sun Makers by Robert Holmes
6) The Return of Doctor Mysterio by Steven Moffat
7) Closing Time by Gareth Roberts
This was a tough one! I really enjoyed the new Christmas special but there were a lot of fantastic stories in this slot!