Littlefoot's Adventures of Thumbelina is another Land Before Time/Don Bluth film planned to be re-edited by yru17. It's unknown if the film will be shown on YouTube.
Littlefoot, Cera, Ducky, Petrie, Spike, Chomper, Ruby, Guido, Grandpa Longneck, Grandma Longneck, and Mr. Thicknose (along with SpongeBob, Stan, Simba, and their friends) meet a little woman who is no bigger than a thumb named Thumbellina.
- SpongeBob SquarePants, Patrick Star, Squidward Tentacles, Sandy Cheeks, Eugene Krabs, Stan Marsh, Kyle Broflovski, Eric Cartman, Kenny McCormick, Mickey Mouse, Donald Duck, Goofy, Simba, Nala, Timon, Pumbaa, Zazu, Alex, Marty, Melman, Gloria, King Julien, Maurice, Mort, The Penguins of Madagascar (Skipper, Kolwalski, Rico, and Private), Terk, Tantor, Louis, Ray the Firefly, Genie, Iago, Sebastian, Kenai, Koda, Rutt and Tuke, Baloo, Bagheera, King Louie, The Vultures (Buzzie, Flaps, Dizzy, and Ziggy), Jiminy Cricket, Dumbo, Timothy Q. Mouse, Fu Dog, Chanticleer, Roger Rabbit, Jean-Bob, Speed, Puffin, Jack Skellington, Oogie Boogie, Shenzi, Banzai, Ed, Pete, Makunga, Shere Khan, Dr. Facilier, The Grand Duke of Owls, Lord Rothbart, and Sheldon J. Plankton guest star in this film.
- The Land Before Time, Rock-a-Doodle, and Thumbelina were directed by Don Bluth.
- Unlike DisneyAnimeManiac's film Winnie the Pooh Meets Thumbelina, this is an NTSC film with NTSC bits from The Land Before Time movies, The SpongeBob SquarePants Movie, South Park: Bigger, Longer & Uncut, the Mickey Mouse movies, A Goofy Movie, An Extremely Goofy Movie, The Jungle Book 1 and 2, Pinocchio, The Lion King trilogy, Madagascar, Madagascar: Escape 2 Africa, Tarzan, Tarzan and Jane, The Princess and the Frog, the Aladdin trilogy, The Little Mermaid trilogy, Brother Bear 1 and 2, Dumbo, Rock-a-Doodle, Who Framed Roger Rabbit, The Swan Princess trilogy, and The Nightmare Before Christmas.
- Both Iago and Mr. Beatle were voiced by Gilbert Gottfried.
- The Lion King, The Swan Princess, and Thumbelina were released in 1994, the same year The Land Before Time II: The Great Valley Adventure and The Return of Jafar were released directly on home video and The Nightmare Before Christmas was first released on home video.
- Jacquimo the Swallow Bird will join Littlefoot and his friends on their adventures
- Like in Winnie the Pooh meets Thumbelina (in which Pooh, Tigger and Danny were kidnapped along with Thumbelina by Mrs. Toad.) and Thomas and Twilight Sparkle meets Thumbelina (in which Thomas, Percy, Bash, Dash, Ferdinand, Hiro, Luke, Twilight Sparkle, Pinkie Pie, Heckle, Jeckle, Ginger, Rocky, Nick and Fetcher, Cool McCool and Paxton were kidnapped along with Thumbelina by Mrs. Toad.), Littlefoot, Ducky, Petrie, Chomper, Guido, SpongeBob, Patrick, Kyle, Cartman, Mickey, Goofy, Timon, Pumbaa, Zazu, Alex, Marty, Skipper, Private, King Julien, Maurice, Mort, Louis, Ray, Genie, Iago, Sebastian, Rutt, Tuke, Baloo, King Louie, The Vultures, Jiminy Cricket, Dumbo, Timothy, Fu Dog, Chanticleer, Roger, Jean-Bob, Speed, Puffin and Jack will be kidnapped with Thumbelina by Mrs. Toad while Cera, Spike, Ruby, Grandpa Longneck, Grandma Longneck, Mr. Thicknose, Squidward, Sandy, Mr. Krabs, Stan, Kenny, Donald, Simba, Nala, Melman, Gloria, Kolwalski, Rico, Terk, Tantor, Kenai, Koda and Bagheera joined Prince Cornelius to find their friends and Thumbelina.