As of September 2015, "Heartland" season 6 is available on Netflix's streaming service for viewing. As Netflix frequently changes its offerings, there is no indication how long the show may be available.
"Heartland" is a Canadian television show that is based on Lauren Brooke's book series of the same name. It follows a pair of sisters through their life on an Alberta Rockies horse ranch after their mother was killed in a car accident. The series began airing on the Canadian Broadcast Television network on October 14, 2007. "Heartland" stars Amber Marshall as Amy Fleming Borden and Michelle Morgan as Amy's sister Samantha.