It's clean up time at the beach and Dora and Boots need your help to keep the beach clean, as well as saving the Mermaid Kingdom from a mean garbage-dumping octopus!
A singing clam tells Dora and Boots that a young mermaid named Mariana used to have a magic crown to wish the kingdom sparkling clean, but a big wave came along and washed it away. Now the octopus is back and leaving rubbish all over the Mermaid Kingdom, and it's up to Dora and Boots to find the magic crown and save the day. The intrepid twosome will need your help to cross Seashell Bridge, explore Pirate Island and survive the Silly Sea. It's up to you to dive down with Mermaid Dora and swim to the rescue. She can't do it without you. ?Vamonos! Let's go save the mermaids!