Dora the Explorer is an American animated television series created by Chris Gifford, Valerie Walsh, and Eric Weiner. A pilot episode for the series aired in 1999, and Dora the Explorer became a regular series in 2000. The show is carried on the Nickelodeon cable television network, including the associated Nick Jr. channel. It aired on CBS until September 2006. A Spanish-dubbed version first aired as part of a Nick en español block on NBC Universal-owned Telemundo through September 2006; since April 2008, this version of the program has been carried on Univision as part of the Planeta U block.