Is Detective Conan episode 173 filler?
Canon No, episode 173 of Detective Conan is canon.
#173
The Revival of the Dying Message (Part 2)
後編)
Aired 20 Dec 1999
Canon No, episode 173 of Detective Conan is canon.
#173
The Revival of the Dying Message (Part 2)
後編)
Aired 20 Dec 1999