Adventurous Dora and her sidekick, Boots, take preschoolers on a stroll through the best-loved nursery rhymes in "Dora Had a Little Lamb," the first of two episodes of this collection from the popular Nickelodeon series. Along the way, Dora and Boots attempt to reunite Mary with her lost lamb. In "Call Me Mr. Riddles," they're on a quest for the world's silliest puzzler. Also contains two bonus episodes.