I've been working on this crossover for years. In my version of the Land Before Time movies, the asteroid that destroyed the dinosaurs missed just like in The Good Dinosaur. The first movie takes place millions and millions of years after that when humans appeared and lived like we do today. Instead of a group of dinosaurs the main characters are a group of human kids. In Littlfoot's place is a girl named Katrina. Her friends that take the place of Cera, Ducky, Petrie and Spike are Eric, Cecilia, Chris, Lucy, and Alice. I used Tommy from Pippi Longstocking to make Eric but changed his hair color and one of the boys from their school is Chris. You know Cecilia from "We're Back, A Dinosaur Story," Lucy is the little girl who has lines that you see at the end of the Little mermaid episode "Metal Fish," And Alice is from the Jetlag version of "Alice in Wonderland." And starting in the TV series, Calla who you'll recognize from "Adventures of the Gummi Bears," will move to the Great Valley and become part of the gang, except in here she's not a princess. Katrina's mother was Tarzan's human mother, who I've named Leslie,and in order for her and Bron to have a child together, they were granted a wish for one. Once Leslie became pregnant with Katrina that's when Bron left to find a better home. I also put Saro in Pat's place because I love his voice and character so much. All Katrina's friends live in houses with their parents in the Great Valley. In the Great Valley there's the Flower Garden from "Alice in Wonderland" with bread-and-butterflies and everything and a Mermaid Lagoon just like in "Peter Pan" where mermaids and dolphins live. Except the Flowers and mermaids are always nice, especially to Katrina and her friends.
The Great Longneck Migration[]
https://landbeforetime.fandom.com/wiki/User_blog:NathanHaworth/Movie_10_Crossover#gallery-0
TV Series Crossover[]
https://landbeforetime.fandom.com/wiki/User_blog:NathanHaworth/TV_Series_Crossover