Dora and Boots go on an underwater adventure that Dora and Boots are at the beach hunting for seashells when they find a little baby fish trapped in a tide pool. Dora and Boots are determined to bring the baby fish home. First, they'll have to climb over King Crab's Sandcastle, then take a submarine ride with Val the Octopus. It's an underwater adventure that will take them all the way to the bottom of the Ocean.