The Noggin app on Friday added 100 episodes from the first four seasons of “Dora the Explorer,” the animated series starring the well-known Latina heroine and Boots, her monkey sidekick.

The Noggin app on Friday added 100 episodes from the first four seasons of “Dora the Explorer,” the animated series starring the well-known Latina heroine and Boots, her monkey sidekick.

“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 ...