Super Grover transforms into the Iron Monster when his cape is stuck at the Laundromat in "Super Hero of the Landuromat", while Elmo, Abby, and Rosita star in "The Furry Four", and Grover goes on the hunt for a partner in heroism in "Super Grover's Sidekick". Meanwhile, Slimey has his own adventure in "Slimey the Hero". Each episode is designed to encourage basic math skills in young children.