Is Detective Conan episode 578 filler?
Canon No, episode 578 of Detective Conan is canon.
#578
The Crisis Beckoned by the Red Omen
危機呼ぶ赤い前兆[オーメン]
Aired 26 Jun 2010
Canon No, episode 578 of Detective Conan is canon.
#578
The Crisis Beckoned by the Red Omen
危機呼ぶ赤い前兆[オーメン]
Aired 26 Jun 2010