Moon Dragon: Heroes (Movie)

Hoping to save his dying magical world with human technology, a dragon crosses over to Earth by switching spirits with a boy.

An evil scientist traps him in the boy's body, causing a distortion of time and space that is destroying the planet. In a similar predicament, the boy finds himself ensnared in the dragon's body, hastening the demise of the world of fairy tales.

They must live each other's life through amazing life-changing adventures to save their home worlds or life as they know it will come to an end.