NO COPYRIGHT INFRINGEMENT INTENDED Credit to Viacom and Nickelodeon. For Entertainment Purposes Only. The logo started along with the arm Nick Jr. Productions in 1996. I don't own Dora The Explorer. On March 3, 2000, Nick begins showing re-typed credits on the left side of the screen with the show's logo on top, while showing promos on the right side and using older Nickelodeon logos that weren't being used on TV with a copyright notice at the bottom while the show's end theme was playing. Nickelodeon (often shortened to Nick) is an American pay television channel which was first tested on December 1, 1977, until it eventually launched on April 1, 1979 as the first cable channel for children. This appeared on KaBlam!. Bob Bain Productions/Nickelodeon Productions (2010) - YouTube