Absolute Order (Absolute)
2 Groups, 87 Episodes
Absolute ordering places all episodes in a single ordered season. This is generally used for anime.
OAD Limited Edition Blu-ray (Japan) (DVD)
1 Group, 5 Episodes
Limited Edition Blu-rays (Japan) (DVD)
8 Groups, 51 Episodes
All Episodes by Season (Production)
5 Groups, 92 Episodes
All episodes organized by production season. Includes specials as season 0.