In last year's Season 2 finale of "Star Wars: The Mandalorian," the appearance of a young Luke Skywalker was one of the biggest reveals and best-kept secrets of the acclaimed show thus far. Reaction to the episode was emotionally-charged for many, deeply resonating with generations of fans who were elated to see the Jedi Master in his post-Return of the Jedi prime. The story of the cutting-edge technology used to bring Luke back is the subject of a special extra episode of "Disney Gallery: Star Wars: The Mandalorian".