What would have happened if Ted Mosby (Josh Radnor) had finished his story with the mother of his children? What if the Duke (Miguel Angel Silvestre) had not died? What if Hannah Montana (Miley Cyrus) had been just a fantasy of a girl? Television is full of endings that never became canon. That is, in an official part of fiction. Some were recorded to please viewers, others to avoid leaks and some were even created by the fans themselves. Today …