Littlefoot befriends with a mysterious, fun-loving dolphin-like creature named Mo, who is trapped in "new water" caused by heavy rain. The gang then goes on an adventure to the "big water" to bring Mo home.
Narrator / Cera's Dad (voice)
Grandpa (voice)
Diplodocus Mom / Grandma (voice)
Littlefoot (voice)
Cera (voice)
Ducky (voice)
Spike / Mo (voice)
Ducky's Mom / Petrie's Mom (voice)
Petrie (voice)
