Doc ZoneSeason 4Season 4Season number4Season name—ArtworkNo imagePoster#ImageTitleAired1Malls R UsAug 20, 20092The Spies Who Came in from the SeaAug 20, 20093The Beat Goes On (1)Aug 27, 20094The Beat Goes On (1)Sep 3, 20095Rise Up (1)Sep 10, 20096Rise Up (2)Sep 17, 20097Pedal PowerSep 24, 20098Canada, Above and Beyond - First FlightOct 8, 20099Canada, Above and Beyond - Conquering GeologyOct 15, 200910Canada, Above and Beyond - LifelinesOct 22, 200911Canada, Above and Beyond - Dancing with DangerOct 29, 200912Berlin, 20 Years AfterNov 5, 200913After Elizabeth IINov 12, 200914Up Against the WallNov 19, 200915Carbon HuntersNov 26, 200916The Secret World of ShopliftingDec 3, 200917Mounties Under FireJan 21, 201018CannaBizJan 28, 201019Hyper Parents and Coddled KidsFeb 4, 201020Google WorldFeb 11, 201021TaseredFeb 18, 201022Love, Hate & Propaganda: The StrongmenMar 4, 201023Love, Hate & Propaganda: Selling WarMar 11, 201024Love, Hate & Propaganda: Meet the EnemyMar 18, 201025Love, Hate & Propaganda: Truth and Total WarMar 25, 201026Love, Hate & Propaganda: Hiding the HorrorsApr 1, 201027Love, Hate & Propaganda: Changing the StoryApr 8, 2010