William Shatner and his cast and crew roll into Riverside, Iowa, where he meets with the residents and informs them of his plan to film a sci-fi movie there. He convinces them that he's casting members of the town for roles as cast and crew on the movie, none of them knowing that they're actually part of a reality TV series and the movie, Invasion Iowa, is a fake. Shatner gets a small tour of the town, meets with the mayor, He and his team then do the ""casting,"" choosing a wide mix of Iowans to be in the ""movie."" Among the cast are a farmer, a stand-up comedian, a reverend and many others. The cast learns their various roles and begins ""filming"" on the movie project. Later, they are all for an early screening of the film, which brings mixed reactions.