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.
Felix Avitia
as Littlefoot (voice)
Anndi McAfee
as Cera / Petrie's Mom / Digger (voice)
Aria Noelle Curzon
as Ducky / Digger (voice)
Jeff Bennett
as Petrie / Digger (voice)
Rob Paulsen
as Spike / Skinny Digger (voice)
Barry Bostwick
as Grandpa (voice)
Miriam Flynn
as Grandma (voice)
Damon Wayans Jr.
as Wild Arms (voice)
Reba McEntire
as Etta (voice)
Scott Whyte
as Bron (voice)
Meghan Strange
as Ruby / Mama Swimmer (voice)
Tony Amendola
as Narrator (voice)
