Is Detective Conan episode 446 filler?
Canon No, episode 446 of Detective Conan is canon.
#446
The Sealed Western-Style Window (Part 1)
前編)
Aired 24 Jul 2006
Canon No, episode 446 of Detective Conan is canon.
#446
The Sealed Western-Style Window (Part 1)
前編)
Aired 24 Jul 2006