Here is the first television preview for the upcoming Dragon Ball Z anime film from morning show Mezamashi Terebi. Author Akira Toriyama previously revealed that the film will be a part of the official Dragon Ball story.
The film will be directed by Masahiro Hosoda (Dragon Ball Z episode director) at TOEI, and written by Yuusuke Watanabe (20th Century Boys, Gantz), with Tadayoshi Yamamuro (Dragon Ball: The Path to Power, Beet the Vandel Buster) acting as the lead animation director.
The film's production committee includes Fox International Productions Japan Shueisha, Fuji TV, Toei Animation, Bandai, and Bandai Namco Games. It will be slated for March 30th, 2013 release.