JoJo's Bizarre Adventure: Stardust Crusaders

48 episodes, ran April 2014-June 2015.
The series covers one story arc within a larger franchise. ANN lists it as two series because of a hiatus between the two halves, but all 48 episodes were planned and executed as a unit, and the total story has a clear beginning at episode 1 and a clear ending at episode 48.
Available for (free, legal) viewing at:
* Crunchyroll (worldwide except Japan)
Directors: Kenichi Suzuki, Naokatsu Tsuda
Series Composition (head writer, approximately): Yasuko Kobayashi
Based on a series of comics by Hirohiko Araki.
Studio: David Production
ANN Encyclopedia entries: First half and second half
Category:Best Dramatic Presentation (Long form)