S10E19Supernatural season 10 episode 19: The Werther Project
Aired 22 April 201543 minRated TV-14
Where to watch Supernatural Season 10 in Australia
Supernatural season 10 is streaming in Australia on Prime Video (subscription), HBO Max (subscription) and Stan (subscription). You can also buy it on Apple TV from $29.99.
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Availability checked 16 November 2026.
What happens in “The Werther Project”
Sam learns that former Men of Letters, Magnus, once built a magical box and Sam sets out to find it in the hopes it can cure Dean of the Mark of Cain. However, what he’s not prepared for is the deadly alarm system Magnus set up on the box. When Sam opens the box, he puts both his and Dean’s life in danger.
Episode summary: TMDB.
Before you watch
- It is episode 19 of 23 of season 10, so watch episodes 1 to 18 first.
- It runs about 43 minutes.
- Directed by Stefan Pleszczynski, written by Robert Berens.
- TMDB users rate it 7.9 out of 10 (34 votes).
Supernatural trailer
The official trailer for the series (no preview of this episode has been published).
Play video: Supernatural trailer
Cast and crew of this episode
- Director
- Stefan Pleszczynski
- Writer
- Robert Berens
- Guest stars
- Brenda Bakke as SuzieBen Corns as MarkhamJay Hindle as ManErika-Shaye Gair as Young SuzieStefano DiMatteo as BradJenn Bird as MomMichael Soltis as DadTy Olsson as Eli / Benny Lafitte
Credits: TMDB.
More from Supernatural Season 10
Every episode of Season 10Supernatural episode guide
Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.