Kyle XY: The Complete Third and Final SeasonAmazon. com Originally airing on ABC Family in 2009, the third season of Kyle XY begins with promise. Kyle (Matt Dallas) effortlessly goes into heroic mode when he has to rescue his girlfriend Amanda (Kristen Prout) from a covert organization. When he himself is endangered, he relies on his fellow lab created "sister" Jessi XX (Jaimie Alexander) to come to his aid. But at a certain point, the series hits an ick factor when it hints that Kyle and Jessi