Blue's Clues is an American interactive educational children's television series created by Traci Paige Johnson, Todd Kessler, and Angela C. Santomero. It premiered on Nickelodeon through the Nick Jr. block on September 8, 1996, and concluded its run on August 6, 2006, with a total of six seasons and 143 episodes. The original host of the show was Steve Burns, who left in 2002 and was replaced by Donovan Patton for the fifth and sixth seasons. The show follows an animated blue-spotted dog named Blue as she leaves a trail of clues/paw prints for the host and the viewer to figure out her plans for the day.