Land Before Time IX, The: Journey to Big Water (2002)

Littlefoot, Cera, Spike, Petrie and Ducky resurface in an enchanting all-new musical story about the wonders of discovery.
When heavy rains create a mysterious "new water", Littlefoot sets off to explore the Great Valley. He quickly becomes friends with Mo, a prank-playing dolphin-like creature who can't find his way back to the Big Water. Littlefoot and his prehisto...