Ain't It Cool News has posted the teaser poster for the live-action bigscreen version of Underdog.

The film will use a CGI-enhanced live dog to portray the eponymous hero, a talking canine with super powers, based on the classic children's television cartoon.

to check out the teaser poster!

Underdog arrives in theaters on August 3rd, 2007.

Underdog was released August 3rd, 2007 and stars Jason Lee, Peter Dinklage, James Belushi, Patrick Warburton, Alex Neuberger, Taylor Momsen, John Slattery, Amy Adams. The film is directed by Frederik Du Chau.