Episode 137: The Old Blue Castle Investigation Case ~ Part 2
Detektiv Conan Episode 137 „The Old Blue Castle Investigation Case ~ Part 2“. Adapts chapters 202–203. First aired: 1999-03-01.
- Read on in the manga from: Chapter 204 (Volume 21)
- Title (Japanese): 青の古城探索事件（後編）
- Title (romaji): Ao no kojō tansaku jiken (Kōhen)
- First aired (Japanese): 1999-03-01
- First aired (German): 2003-04-14
- Category: Story
- Chapter adapted: Chapters 202–203