Elmo is going to Abby's and Rudy's house for a playdate! With superhero action figures and princess dolls to choose from, the friends discover that it's most fun to play with the toys you like best! While playing Princesses and Superheroes at his friends' house, Elmo is surprised by a few of their toys. He didn't know that Abby liked superheroes, and he definitely didn't know that princesses could have superpowers! Throughout the afternoon, Elmo realizes that it doesn't matter what toys you like to play with as long as you have fun!