from the circus parade. The circus organist introduces himself as Professor Genius and claims that they had been sent on a mission by King Morpheus, the king of a realm named Slumberland. The mission involves Nemo becoming the playmate of the princess, Camille. Although Nemo initially has reservations about interacting with a girl, he and Icarus decide to set off to fulfill his mission after being persuaded with a gift box of cookies from the princess. Nemo is taken to Slumberland in a dirigible which he is allowed to drive, causing some chaos, and is introduced to King Morpheus. Morpheus reveals that he summoned Nemo to become his heir to the throne. Morpheus gives Nemo a golden key that opens every door in the kingdom and warns him of a door with a dragon insignia that must never be opened. Nemo is introduced to Princess Camille and the pair roam the entirety of Slumberland together. Afterward, Nemo meets the mischievous clown, Flip, who angers a group of cops and forces him and Nemo to hide out in a cave. There, Nemo discovers the door that Morpheus warned him not to open. Flip tempts Nemo into unlocking the door, which unleashes "the nightmare". Nemo rushes back to Morpheus' castle in time for his coronation ceremony, where Nemo is handed the royal scepter, the only thing capable of defeating the Nightmare King the ruler of Nightmare Land, should he ever return to Slumberland. In the middle of a dance session between Morpheus and Genius, "The Nightmare" reaches the castle and steals Morpheus away. As the partygoers search for a scapegoat, Flip and Nemo accuse each other, though the responsibility goes to Nemo who had the key. Nemo awakens in his home, which floods with seawater and ejects him into the ocean. Genius discovers Nemo and tells him not to blame himself for all that has happened and that Flip is to blame, but Nemo accepting the situation pledges to find the King. When the two return to Slumberland, they rescue Flip from being shot out of a cannon because he has a map of Nightmare Land, where Morpheus is currently being held. Nemo, Icarus, Camille, Flip, and Genius set off in a tugboat in search of Morpheus. They are soon sucked into a whirlpool and find themselves in the goblin-infested Nightmare Land. The five come across a group of shapeshifting goblins called