Is Detective Conan episode 308 filler?
Canon No, episode 308 of Detective Conan is canon.
#308
On the Trail of a Silent Witness (Part 2)
後編)
Aired 3 Feb 2003
Canon No, episode 308 of Detective Conan is canon.
#308
On the Trail of a Silent Witness (Part 2)
後編)
Aired 3 Feb 2003