After an accident in the mysterious lab of maniacal scientist Dr. Simon Barsinister (PETER DINKLAGE), an ordinary beagle unexpectedly finds himself with unimaginable powers and the ability to speak. Armed with a fetching superhero costume, UNDERDOG (voiced by comedian JASON LEE) vows to protect the beleaguered citizens of Capitol City and, in particular, one beautiful spaniel named Polly Purebread (voiced by Academy Award® nominee AMY ADAMS). When a sinister plot by Barsinister and his overgrown henchman Cad (PATRICK WARBURTON) threatens to destroy Capitol City only UNDERDOG can save the day.
UNDERDOG stars Jim Belushi, Peter Dinklage, Alex Neuberger, Taylor Momsen with Amy Adams and Jason Lee as the voice of Underdog. Utilizing state-of-the-art CGI special effects mixed with live-action, UNDERDOG flies into theaters on August 3, 2007.