Mufasa: The Lion King is a Disney movie about the journey of Mufasa from an orphaned cub to the future king of the Pride Lands:

Plot: The story is told in flashbacks to Mufasa as an orphaned cub who is rescued by Taka, a lion of royal blood. The two become blood brothers and go on a journey with a group of outcasts to find their place in the world. Their bonds are tested when they encounter a pack of white lions led by the cruel Kiros.

Don’t plan to miss this movie.