Conan Edogawa
main character
OVA
6.8
My TrackerPLANNING
Episode: 0 / 1
My Score:
Anime DetailsFINISHED
- Format
- OVA
- Episodes
- 1
- Episode length
- 25 min
- Total watch time
- 25 minutes
- Status
- Finished
- Aired
- March 12, 2003
- Source
- Manga
- Director
- Yasuichirou Yamamoto
- Original creator
- Gosho Aoyama
- Age rating
- PG — Teens 13 or older
- Country
- Japan
- AniList score
- 68/100
- Also known as
- Case Closed OVA 03: Conan and Heiji and the Vanished Boy, Conan & Heiji & the Vanished Boy, Detective Conan OVA 03: Conan and Heiji and the Vanished Boy
- Score across sites
- 6.99/10
Estimated watch time
0h 25m
⚡ 1 days at 5 eps/day
Tags & Tropes
Male Protagonist79%Age Regression79%Shounen66%Detective60%Tanned Skin60%
OVAFINISHEDRelease date TBA 6.8 / 10 AniList score
Case Closed: Conan and Heiji and the Vanished Boy
名探偵コナン: コナンと平次と消えた少年• Meitantei Conan: Conan to Heiji to Kieta Shounen
Synopsis
Conan and Ran are visiting Heiji and Kazuha in Osaka but while they are touring around they come across a group of three kids that look like Ayumi, Mitsuhiko, and Genta. The group are looking for their missing friend and Conan agrees to help. (Source: Anime News Network)
Main cast & voice actors
Should you watch Case Closed: Conan and Heiji and the Vanished Boy?
Probably, if you enjoy adventure and mystery, especially stories with male protagonist, age regression, shounen.
Reception is positive but mixed: 68/100 on AniList, with 31% of 1.8K ratings at 8/10 or higher. It's the #6 highest-rated anime of 2003.
Once people start, they tend to finish: only 1.5% of viewers drop it.
At about 25 minutes in total, it is a short commitment — a weekend binge.
Where to Watch Officially
A streaming link is not listed for this title yet.
Creators & key staff
- Original creator
- Gosho Aoyama
- Director
- Yasuichirou Yamamoto
Where it fits in the series
Related entries
Case Closed: Conan and Heiji and the Vanished Boy FAQ
How many episodes does Case Closed: Conan and Heiji and the Vanished Boy have?
Case Closed: Conan and Heiji and the Vanished Boy has 1 episodes of about 25 minutes each, roughly 25 minutes in total.
Is Case Closed: Conan and Heiji and the Vanished Boy finished?
Yes. Case Closed: Conan and Heiji and the Vanished Boy has finished airing — the final episode aired March 12, 2003.
Is there a season 2 of Case Closed: Conan and Heiji and the Vanished Boy?
No sequel is listed for Case Closed: Conan and Heiji and the Vanished Boy as of October 2026. You can continue the story in the original manga.
Is Case Closed: Conan and Heiji and the Vanished Boy based on a manga?
Yes. Case Closed: Conan and Heiji and the Vanished Boy adapts the manga by Gosho Aoyama.