Pooh's Adventures of Thomas & Friends: The Biggest Present of All is a Winnie the Pooh/Thomas & Friends crossover short film to be created by 76859Thomas. It takes place after Pooh's Adventures of Thomas & Friends: Hero of the Rails. It appeared on Google Drive as part of a double feature with Pooh's Adventures of Thomas & Friends: Misty Island Rescue on 8th December 2017 (PrinceJosh1992's 25th Birthday).
Hiro, the Master of the Railway, is returning to Sodor for a visit. Thomas, Pooh and their friends are eager to find a present for him - so eager, in fact, they forgets to tell the other engines to meet at Knapford Station.
- Woody Woodpecker, Ttark, Twilight Sparkle, Spike, Applejack, Rainbow Dash, Rarity, Fluttershy and Pinkie Pie are guest starring in this film.
- Thomas & Friends: The Biggest Present of All first broadcast along with the other Thomas & Friends: Season 13 episodes on Milkshake in the UK in 2010, the same year My Little Pony Friendship is Magic: Season 1 first broadcast on the Hub Network in the US.
- 76859Thomas's upcoming film Pooh's Adventures of Thomas & Friends: Misty Island Rescue and this short film were originally supposed to be released on Google Drive or Dropbox in October 2017, but were moved to 8th December 2017, due production delays.