Littlefoot, Cera, Spike, Petrie and Ducky resurface in an enchanting musical story about the wonders of discovery in The Land Before Time: Journey to Big Water. When heavy rain creates 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 cannot find his way back to the Big Water. Littlefoot and his prehistoric pals come to his rescue, evade a scary Sharptooth and prove the value of courage, friendship and diversity in this exciting adventure.