Dora and all her friends are putting on a musical. But when the Pirate Piggies accidentally take Dora's treasure chest of costumes to Treasure Island, she and her friends need to set sail on a musical journey to get them back.
Diego enlists his cousin Dora the Explorer, his sister Alicia, and Baby Jaguar in a time travel adventure to help reunite a lost Maiasura dinosaur with its family.