Winnie the Pooh and his friends (along with Mewtwo, The Good Fairy, Slimer, Stay Puft, and Christopher Robin) reunite with Ash and his friends and they help them fight an evil poacher called Iron Masked Marauder to save Celebi with the help of Suicune.
- Christopher Robin guest stars in the remake version of this film.
- Mewtwo, The Good Fairy, Slimer, and Stay Puft join Pooh and his friends in the remake version of this film.
- C-3PO, R2-D2, Zilla, Aisling, Darth Vader, Boba Fett, Rocky and Bullwinkle, Mecha-King Ghidorah, MechaGodzilla 3, M.O.G.U.E.R.A., the Clone Troopers, Jack Skellington, the Teenage Mutant Ninja Turtles, Splinter, Elsa the Snow Queen, and most of The Masters of Evil are absent from both versions of this film.
- Unlike in the real film, Mewtwo makes a special appearance in the remake version of this film.
- The ending credits for the remake version will use the Paul Williams version of the song Flying Dreams from The Secret of NIMH.