A Certain Scientific Railgun (Toaru Kagaku No Railgun)

A Certain Scientific Railgun (Toaru Kagaku No Railgun) / episode 19

is a certain scientific railgun (toaru kagaku no railgun) episode 19 filler?

yesit's filler

title: Midsummer Festival

skip to episode 20

is a certain scientific railgun (toaru kagaku no railgun) episode 19 filler? — isitfiller.com