Filler is often viewed as a necessary evil in long-running anime series and even franchises like Dragon Ball Super aren’t immune to these anime-exclusive extraneous installments. Dragon Ball Super is a unique case that differs from its predecessors that followed the events of their accompanying manga for story inspiration. Dragon Ball Super’s manga ran in tandem with its anime and they ultimately tell the same story, even if there are minor differences when it comes to the specifics.
Source：https://www.cbr.com/dragon-ball-super-filler-list-dbz/
