"In Blackest Day": The synopsis for this issue has not yet been written.
- The only weakness in a Green Lantern construct, if there is one, is in the bearer.
- — Kai-Ro
Appearing in "In Blackest Day"
- Black Light (First appearance)
- Gotham City
- Centennial Park
- Metro Tower
- Himalayan Monastery
Synopsis for "In Blackest Day"
- Synopsis not yet written.
- While Superman appears on the cover of both this issue and its continuation, he does not appear in the pages of either issue.
- No trivia.
- Discuss Batman Beyond Vol 2 21 on the forums
- Cover gallery for the Batman Beyond series
- Images from Batman Beyond Vol 2 21
- DC Animated Universe Recommended Reading
- Adventures in the DC Universe (Volume 1)
- The Batgirl Adventures #1
- Batman Adventures (Volume 1)
- Batman Adventures (Volume 2)
- The Batman Adventures: The Lost Years (Volume 1)
- The Batman Adventures: Mad Love
- The Batman and Robin Adventures (Volume 1)
- Batman and Superman Adventures: World's Finest
- Batman Beyond (Volume 1)
- Batman Beyond (Volume 2)
- Batman Beyond (Volume 4)
- Batman Beyond Unlimited (Volume 1)
- Batman Beyond Universe (Volume 1)
- Batman: Gotham Adventures (Volume 1)
- Batman: Harley and Ivy (Volume 1)
- Batman: Mask of the Phantasm - The Animated Movie #1
- Gotham Girls (Volume 1)
- Justice League Adventures (Volume 1)
- Justice League Unlimited (Volume 1)
- Superman Adventures (Volume 1)
- Superman & Batman Magazine (Volume 1)
Links and References