|The Doctor on My Shoulder|
|Main setting:||Earth and Princess Cilia's ship|
|Release date:||17-23 December 2009|
|Adventure Calendar - Online Fiction|
|The Advent of Fear||none|
Shrunk down to the size of a doll, the Tenth Doctor enlists the help of a teenage boy to rescue a princess.
- The Tenth Doctor loves The Snowman and recognises his location as Earth because of it playing on television. He mentions the snowman flies around and dances with Father Christmas.
- The Doctor says that there's "something [he's] been avoiding" and "after all the flying around, having fun, and doing the impossible [he's] reali[s]ed something: [He's] the Snowman and...time's up."
- This is the last piece of new Tenth Doctor fiction to be officially published prior to the regeneration in TV: The End of Time.
- The Doctor refers to having been Father Christmas at times. (COMIC: A Christmas Story, PROSE: The Man Who (Nearly) Killed Christmas, PROSE: A Visit from Saint Nicholas)
- The Doctor refers to the fact that at least the Christmas tree isn't trying to kill him. (TV:The Christmas Invasion)