Mary had a Little Lamb, but now Little Lamb is lost. Dora and Boots jump into a big book of Nursery Rhymes to bring Little Lamb back to her best friend, Mary.

“Dora the Explorer” has swung onto Nickelodeon’s Noggin video-subscription service for preschoolers. The Noggin app on Friday added 100 episodes from the first four seasons of “Dora the Explorer,” the ...

It's Dora's birthday and you know what that means ... a fun-filled party with all her friends. The only problem is Dora and Boots are stuck in storybook land and must ...