If you loved The Land Before Time IV: Journey Through the Mists, try The Land Before Time II: The Great Valley Adventure
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
You already loved

The Land Before Time IV: Journey Through the Mists
→
Try this next

The Land Before Time II: The Great Valley Adventure
What they share
Both films are directed by Roy Allen Smith, and they both carry the cozy, tender mood tags, and they sit in Adventure / Animation / Family territory. If that's the register that drew you to The Land Before Time IV: Journey Through the Mists, the second film will land in a comparable space — through a different lens.
cozytender
What The Land Before Time II: The Great Valley Adventure is
A sequel nobody asked for revisits a prehistoric Eden. Littlefoot and company disobey their parents to recover a stolen egg. The hatchling proves to be a baby Sharptooth, at which point the movie becomes a kind of cretaceous *Three Men and a Baby*.