Watch The Case Book of Arne Online
Want to stream The Case Book of Arne? IBO Player brings The Case Book of Arne (2026) to every screen you own in 4K Ultra HD. Here is everything you need to watch it.
Watch trailer
What is The Case Book of Arne about?
Louis Hartmann loses his father, a private detective investigating a string of murders, leaving him all alone. Rumor has it that the murders are the work of a Grave-Digger Vampire. Louis isn’t keen on superstitions and vows to catch the culprit himself. That is, until a self-proclaimed detective, Arne Neuntöte, and his assistant, Lynn Reinweiß, appear. A new door is about to open for Louis…
Latest episode
S1 · Episode 12 — All's Well That Ends Well · 2026-03-25
Lynn and friends battle their way through Dracula's soldiers as they race to rescue Arne before it's too late.
- Genres
- Animation, Mystery
- First aired
- 2026-01-07
- Rating
- ★ 6.3 / 10
Top cast
- Mariya Ise Louis Hartmann (voice)
- Koki Uchiyama Arne Neuntöte (voice)
- Aimi Tanaka Young Arne Neuntöte (voice)
- Yuka Nukui Lynn Reinweiß (voice)
- Yuki Sakakihara Zisye (voice)
- Yuuki Shin Nachzehrer (voice)
How to Watch The Case Book of Arne on IBO Player
Watching The Case Book of Arne on IBO Player takes about a minute: start a free trial, open the app on your TV, phone, Fire Stick or browser, and press play — all in 4K Ultra HD.
Start Watching The Case Book of Arne Today
Start your IBO Player free trial and watch The Case Book of Arne today, along with thousands of movies, series and live channels in 4K Ultra HD.
