text: Tartakovsky pitched the series to Fred Seibert's first animated shorts showcase What a Cartoon! at Hanna-Barbera, basing it on student films he produced at the California Institute of the Arts. Four pilots aired on Cartoon Network and TNT from 1995 to 1996. Viewer approval ratings led to a half-hour series, which consisted of two seasons totaling 52 episodes, airing from April 27, 1996, to June 15, 1998. On December 10, 1999, a television film titled Dexter's Laboratory: Ego Trip aired as the intended series finale, and Tartakovsky left to begin working on Samurai Jack.
  In November 2000, the series was renewed for two seasons containing 26 total episodes, which began airing on November 18, 2001, and concluded on November 20, 2003. Due to Tartakovsky's departure, the last two seasons featured Chris Savino as showrunner along with a new production team at Cartoon Network Studios with changes made to the visual art style and character designs.
  Dexter's Laboratory won three Annie Awards, with nominations for four Primetime Emmy Awards, four Golden Reel Awards, and nine other Annie Awards. The series is notable for helping launch the careers of animators Craig McCracken, Seth MacFarlane, Butch Hartman, Paul Rudish, and Rob Renzetti. Spin-off media include children's books, comic books, DVD and VHS releases, music albums, toys, and video games.
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