Kyle XY: The sci-fi series left fans with a devastating cliffhanger after its cancellation

The sci-fi series Kyle XY was canceled after three seasons, leaving fans with a major cliffhanger. The show, which aired on ABC Family, followed a boy with superhuman abilities who investigated his origins. The finale revealed he was a clone and had a brother, ending abruptly. Creator Julie Plec later revealed the intended ending, where Kyle would have become a prophet and lived a solitary life, and that his brother would have survived.