Is Detective Conan episode 503 filler?
Canon No, episode 503 of Detective Conan is canon.
#503
Clash of Red and Black (Ready to Die)
赤と黒のクラッシュ決死
Aired 12 May 2008
Canon No, episode 503 of Detective Conan is canon.
#503
Clash of Red and Black (Ready to Die)
赤と黒のクラッシュ決死
Aired 12 May 2008