Is Detective Conan episode 866 filler?
Canon No, episode 866 of Detective Conan is canon.
#866
The Traitor's Stage (Part 1)
前編)
Aired 15 Jul 2017
Canon No, episode 866 of Detective Conan is canon.
#866
The Traitor's Stage (Part 1)
前編)
Aired 15 Jul 2017