On a day known to the dinosaurs as "Treasure Day", Bron becomes stuck in the Mysterious Beyond. This event urges the young Longneck Littlefoot to take his friends on a quest to the Fire Mountain to save his father. Along the way, they befriend a Flyer.
as Littlefoot (voice)
as Cera / Petrie's Mom / Digger (voice)
as Ducky / Digger (voice)
as Petrie / Digger (voice)
as Spike / Skinny Digger (voice)
as Grandpa (voice)
as Grandma (voice)
as Wild Arms (voice)
as Etta (voice)
as Bron (voice)
as Ruby / Mama Swimmer (voice)
as Narrator (voice)
as Cera's Dad (voice)
as Chomper (voice)