· Arc 11: Boss's Phone Number Era — Cases (400–424)
Detective Conan Episode 420
Sword of the Eight-Headed Serpent (Part 2)
Filler
6.5
- Japanese Air
- Nov 14, 2005
Description Spoiler-Free
Conan and the others continue digging into the mysterious case connected to the legend of the Eight-Headed Serpent, where every new clue seems to tie the people involved together in unexpected ways. With the strange circumstances around the incident growing more ominous, they try to unravel the meaning behind the ritual-like setup before the mystery slips further out of reach.