"It's a gift for us who make it, and it's a gift for the fans, hopefully, if we don't screw it up," Jackson told Collider. "It's the nice version of the story. It's the non-Firefly, non-Millennium version of the story, where everybody who has put in the time gets the chance to walk away."
However, the 34-year-old star admitted that "not everybody is going to like the ending".
"That's the way endings are," he suggested. "But everybody who has put in the time is going to have the opportunity to go with [the show] through its entire life cycle.
"It's just the opportunity for us to properly say goodbye to the people who have come on the journey with us. That's just beautiful."