SERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsMaxSIGN INSIGN UP FORSERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsMaxSIGN INSIGN UP FORmax-styleGood Boy! PG | comedy | 1 HR 28 MIN | 2003 WATCH NOWMAXWatch on HBOA young boy adopts a stray dog that turns out to be an emissary from outer space that was sent to Earth to prepare for a canine invasion!