The animated cult-classic Futurama has survived multiple cancelations, hopping between two television networks, straight-to-video films, and a streaming platform over the course of its existence. This is why a show that debuted in 1999 has so many breaks between seasons. Throughout, the adventures of Fry, Bender, Leela, and the rest of the Planet Express Crew have tickled audiences and struck a chord with fans of all ages. But a side effect of the show's unique broadcast history is that it actually has multiple ways of being categorized based on episode.
Source：https://www.cbr.com/futurama-season-8-season-11/
