Radio astronomer Charlie Sheen intercepts a signal from outer space and soon discovers that not only is there life on other planets, but they may already be living on Earth. After he's mysteriously fired from his job, Sheen uncovers the extraterrestrials and their devious plan to conquer the Earth through global warming. With Lindsay Crouse, Ron Silver. 115 min. Widescreen (Enhanced); Soundtrack: English DTS HD 7.1 Master Audio; Subtitles: English (SDH), Spanish.