The “Dora the Explorer” franchise is expanding with a new live-action movie, but unlike 2019’s “Dora and the Lost City of Gold,” this one’s going directly to Paramount+ — and Nickelodeon.

“Dora and the Search for Sol Dorado” is a new feature-length live-action movie that will premiere July 2 on Paramount+ and Nickelodeon at the same time. Samantha Lorraine (“You Are So Not Invited to My Bar Mitzvah”) stars as Dora in the story of the search for an ancient treasure in the Amazonian jungle.

The cast also includes Jacob Rodriguez as Diego, Dora’s 17-year-old loyal cousin and jungle-exploring partner; Mariana Garzón Toro as Naiya, Diego’s bold and no-nonsense coworker; Acston Luca Porto as Sonny, Naiya’s younger brother with boundless energy and curiosity; Daniella Pineda as Camila the Crusader, a legend in the world of archaeology and Dora’s childhood hero; and Gabriel “Fluffy” Iglesias, as the voice of Boots,...