The New Adventures of Underdog is the revival to the original Underdog that premiered to Kids' WB from 2004-2007.

About The Show

  • It centers on Underdog (played by Mark Rendall), his fiance Sweet Polly Purebred (voiced by Stephanie Morgenstern), his owner Dan Unger (voiced by Yuri Lowenthal) whose younger brother and father are Jason Unger (voiced by Julie Lemieux) and Jack Unger (voiced by Jeff Bennett), his enemies Simon Bar Sinister (voiced by Greg Cipes) whose assistant is Cad Lackey (voiced by Danny Cooksey) and Riff Raff The Wolf (voiced by Phil LaMarr).


  1. Underdog (Mark Rendall)
  2. Sweet Polly Purebred (Stephanie Morgenstern)
  3. Dan Unger (Yuri Lowenthal)
  4. Jason Unger (Julie Lemieux)
  5. Jack Unger (Jeff Bennett)
  6. Simon Bar Sinister (Greg Cipes)
  7. Cad Lackey (Danny Cooksey)
  8. Riff Raff The Wolf (Phil LaMarr)


Season 1 (2004-2005)

Season 2 (2005-2006)

Season 3 (2006-2007)

Production Companies

  • Warner Bros. Television Animation


  • This is the revival to the 60's Cartoon.
  • Dan's younger brother Jason debuts.
  • It is the first show to join Kids' WB.
  • Simon and Riff Raff are the main villains.
  • Polly wears tan pantyhose under her black skirt for the first time.

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