Hattie the hermit crab has been tricked out of her old shell by Vinnie the shark - and she's got nowhere to live! But Little Dolphin soon comes splashing to Hattie's rescue. And together they teach Vinnie a lesson!
Milo gets stuck in the old wreck while playing hide and seek. And there's a storm on the way! Little Dolphin rushes off to fetch help - and Cornelius, the grumpy old eel, is his only hope!
Vinnie the shark is causing trouble again. It's time for the Great Underwater Race and he will do anything to win - even cheat! With a little help from Fergal the turtle, Little Dolphin plans to stop the sneaky shark... and save the race!