If you loved The Swan Princess: Escape from Castle Mountain, try The Swan Princess: The Mystery of the Enchanted Kingdom
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 Swan Princess: Escape from Castle Mountain
→
Try this next

The Swan Princess: The Mystery of the Enchanted Kingdom
What they share
Both films are directed by Richard Rich, and they both carry the cozy mood tag, and they sit in Animation / Family / Fantasy territory. If that's the register that drew you to The Swan Princess: Escape from Castle Mountain, the second film will land in a comparable space — through a different lens.
cozy
What The Swan Princess: The Mystery of the Enchanted Kingdom is
Moonlit castle walls autumn night a lone swan glides. Odette kidnapped by dark sorceress Zelda. Director Richard Rich brings fantasy adventure to life.