Ben 10: Omniverse has a total of spanning 8 seasons .

Ben 10: Omniverse (TV Series 2012–2014) - Episode list - IMDb

While many shows suffer from "season fatigue" around the 60-episode mark, Omniverse utilized its total count to deliver a sprawling, multi-faceted narrative that previous, shorter seasons couldn't accommodate. The high episode count allowed the show to breathe, experimenting with different art styles, genres, and character dynamics that a 13 or 26-episode order might have restricted.

A deep dive into Kevin’s past and the secret Plumber black-ops. The Mad Nightmare " It's a Mad, Mad, Mad Ben World " Multiverse exploration including the "Mad Ben" dimension. 8 The Time War " The End of an Era ," " A New Dawn "