On television, Veronica Mars was a gritty teenage private investigator who wasn't afraid to break down doors. Now a movie version of the show is about to do the same thing.

"Veronica Mars" will be released by Time Warner Inc.'s Warner Bros. in about 270 theaters on March 14, the same day that it is available to buy or rent online. It will mark the first time one of Hollywood's six major studios has distributed a movie in theaters and for home viewing at the same time in the U.S.

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