Littlefoot's Adventures of Batman: Mask of the Phantasm is the first ever Land Before Time/Batman crossover film planned to be re-edited by yru17. It's unknown if the film will be shown on YouTube.
Littlefoot and his friends (along with Stan, Alex, Scooby-Doo, and their friends) have time-traveled to Gotham City and met famous millionare Bruce Wayne and his alter-ego Batman and they help him solve the mystery of the Phantasm and face his enemy, The Joker, whom Carface, Killer, Oogie Boogie, The Horned King, Creeper, Scar, Shenzi, Banzai, Ed, Warren T. Rat, Cat R. Waul, The Fratellis (Ma Fratelli, Francis Fratelli, and Jake Fratelli), Ratigan, Fidget, Ozzy, Strut, Ichy and Dil, Rinkus and Sierra, Red Claw, Screech and Thud, Tai Lung, Makunga, Dr. Blowhole, Professor Screweyes, Shere Khan, Steele, Drake, Lord Rothbart, The Machine, Dr. Facilier, Jafar, Maleficent, Myotismon, Ursula, Clayton, and Team Rocket (Cassidy and Butch) work for.
- Stan Marsh, Kyle Broflovski, Eric Cartman, Kenny McCormick, Alex, Marty, Melman, Gloria, The Penguins of Madagascar (Skipper, Kolwalski, Rico, and Private), King Julien, Maurice, Mort, Scooby-Doo, Shaggy Rogers, Fred Jones, Daphne Blake, Velma Dinkley, Terk, Tantor, Louis, Ray the Firefly, Taran, Princess Eilonwy, Fflewddur Fflam, Gurgi, Orddu, Orgoch, and Orwen, Aladdin, Princess Jasmine, Abu, Genie, Iago, Jesse Greenwood, Elvis, Randolph Johnson, Nadine, The Goonies (Mikey Walsh, Brand Walsh, Mouth Devereaux, Data Wang, Chunk Cohen, Andy Carmichael, Stef Steinbrenner, and Sloth Fratelli), Jack Skellington, Balto, Jenna, Boris, Muk, Luk, Mr. Thicknose, Doc (The Lone Dinosaur), Celebi, Basil of Baker Street, Dr. David Q. Dawson, Fievel Mousekewitz, Tiger, Tony Toponi, Tanya Mousekewitz, Yasha Mousekewitz, Papa Mousekewitz, Mama Mousekewitz, Bugs Bunny, Daffy Duck, Rex, Woog, Elsa, Dweeb, Sebastian, Jake Long, Fu Dog, Jean-Bob, Speed, Puffin, Baloo, Bagheera, King Louie, The Vultures (Buzzie, Flaps, Dizzy, and Ziggy), Jiminy Cricket, Zazu, Kenai, Koda, Rutt and Tuke, Roger Rabbit, Po the Panda, Shifu, The Furious Five (Tigress, Mantis, Crane, Viper, and Monkey), Hubie, Marina, Rocko, Charlie Barkin, Itchy Itchiford, Aladar, Neera, Plio, Yar, Zini, Suri, Baylene, Eema, Url, Carface, Killer, Oogie Boogie, The Horned King, Creeper, Scar, Shenzi, Banzai, Ed, Warren T. Rat, Cat R. Waul, The Fratellis (Ma Fratelli, Francis Fratelli, and Jake Fratelli), Ratigan, Fidget, Ozzy, Strut, Ichy and Dil, Rinkus and Sierra, Red Claw, Screech and Thud, Tai Lung, Pete, Makunga, Dr. Blowhole, Professor Screweyes, Shere Khan, Steele, Drake, Lord Rothbart, The Machine, Dr. Facilier, Jafar, Maleficent, Myotismon, Ursula, Clayton, and Team Rocket (Cassidy and Butch) guest star in this film.
- This is the first Land Before Time crossover film to guest star Doc (aka The Lone Dinosaur) from The Land Before Time VI: The Secret of Saurus Rock.
- This film will explain how Scooby-Doo and his friends met Batman since two episodes of The New Scooby-Doo Movies show Scooby-Doo and the gang already knowing Batman and Robin.
- Jesse, Elvis, Randolph, and Nadine have faced The Joker before in Pooh's Adventures of Free Willy 2: The Adventure Home.
- Like DisneyDaniel93's film Pooh's Adventures of Batman: Mask of the Phantasm, this is an NTSC film with NTSC bits from The Land Before Time movies, South Park: Bigger, Longer & Uncut, The Black Cauldron, Free Willy 1-3, The Goonies, The Nightmare Before Christmas, the Scooby-Doo movies, the Balto trilogy, An American Tail 1 and 2, 101 Dalmatians 1 and 2, We're Back! A Dinosaur's Story, The Pagemaster, The Jungle Book 1 and 2, Pinocchio, The Lion King 1 and 2, the All Dogs Go to Heaven trilogy, Dinosaur, the Mickey Mouse movies, the Pokémon movies, and more.
- Free Willy, We're Back! A Dinosaur's Story, The Nightmare Before Christmas, and Batman: Mask of the Phantasm were released in theaters in 1993.
- Both The Nightmare Before Christmas and Batman: Mask of the Phantasm were first released on home video in 1994, the same year that The Land Before Time II: The Great Valley Adventure was released straight to video and both The Lion King and The Swan Princess were released in theaters.
- Aladdin, Princess Jasmine, Abu, Iago, and Genie will face Joker again in Pooh's Adventures of Aladdin and the King of Thieves.