Is Detective Conan episode 752 filler?
Canon No, episode 752 of Detective Conan is canon.
#752
The Beckoning Calico Cat Case (Part 2)
招き三毛猫の事件（後編）
Aired 27 Sept 2014
Canon No, episode 752 of Detective Conan is canon.
#752
The Beckoning Calico Cat Case (Part 2)
招き三毛猫の事件（後編）
Aired 27 Sept 2014