Episode 646: Deduction Showdown at the Haunted Hotel ~ Part 1
Detektiv Conan Episode 646 „Deduction Showdown at the Haunted Hotel ~ Part 1“. Adapts chapters 768–770. First aired: 2012-02-18.
- Read on in the manga from: Chapter 771 (Volume 73)
- Title (Japanese): 幽霊ホテルの推理対決（前編）
- Title (romaji): Yūrei hoteru no suiri taiketsu (Zenpen)
- First aired (Japanese): 2012-02-18
- Category: Story
- Chapter adapted: Chapters 768–770