The Rising of the Shield Hero (Tate no Yuusha no Nariagari)

The Rising of the Shield Hero (Tate no Yuusha no Nariagari) / episode 20

is the rising of the shield hero (tate no yuusha no nariagari) episode 20 filler?

noit's canon

title: Battle of Good and Evil

is the rising of the shield hero (tate no yuusha no nariagari) episode 20 filler? — isitfiller.com