52 episodes on Blu-ray and digital, two discs of bonus content (including a remastered version of the feature-length film Batman Beyond: Return of the Joker. Special features include 15 featurettes and audio commentary from executive producer Bruce Timm on four episodes. A side-by-side comparison of the remaster and the original is available below along with a full breakdown of the special features.
Knight Immortal (All-New Featurette) – A visual and visceral celebration of the Dark Knight's 80 years of crime fighting, narrated by storytellers of the past, present, and future.
"Tomorrow Knight: The Batman Reborn" (Featurette) – Storytellers explore the rise of Terry McGinnis as Batman and Bruce Wayne's relationship with the young hero as he mentors a new Dark Knight for modern times.
Batman Beyond: Return of the Joker (Feature-Length Film) – The beloved hit animated film from 2000 is included in the box set – fully remastered for your enjoyment.
Audio Commentaries – Enlightening audio commentaries by filmmakers and voice actors for four key episodes: "Rebirth, Part 1"; "Shriek"; "Splicers"; and "The Eggbaby."
Featurettes – A dozen inside looks at the genesis, production and effects of Batman Beyond.