However, he gives no timeline, which would allow for a confrontation between the two to take place at any point between the end of their duel in Revenge of the Sith and when they fought again in A New Hope—during which Vader told Obi-Wan, before the Jedi sacrificed himself to become a Force ghost, “I’ve been waiting for you, Obi-Wan. Finally, we meet again. This completes the circle. You were only the learner when I left; I’m now the master.”

Chow stated to io9 that it was something they had looked at. We’re getting out. Revenge of the Sith. Because of all that has happened to Anakin and Order 66, it was only natural that Anakin/Vader be a part. It is very connected to the moment he’s at in his life.”

 Star Wars Episode VI: Return of the JediLuke, now a Jedi Knight, attempts to convince Vader there is “good” in him. He urges Vader to go with him. His father replies that Obi-Wan thought once as he does. Their showdown was in Revenge of the Sith, Obi-Wan makes no such comment but does call Vader “lost.” It is possible that the new series will explore further attempts to lead the villain to redemption.