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Medium S05E18, Bring Me the Head of Oswaldo CastilloS05E18

Medium · Season 5

Medium season 5 episode 18: Bring Me the Head of Oswaldo Castillo

Aired 1 June 200944 minRated TV-14

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Where to watch Medium Season 5 in Australia

Medium season 5 is streaming in Australia on Paramount Plus (subscription). You can also buy it on Apple TV from $24.99.

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Availability checked 16 November 2026.

What happens in “Bring Me the Head of Oswaldo Castillo”

Allison finds out she has a brain tumor and must get surgery to get rid of it, but then has a dream that the surgery will take away her dreams after dreaming that Castillo is going to kill Joe and the girls.

Episode summary: TMDB.

Before you watch

  • It is the season finale of season 5, so watch episodes 1 to 17 first.
  • It runs about 44 minutes.
  • Directed by Arlene Sanford, written by Robert Doherty and Craig Sweeny.

Cast and crew of this episode

Director
Arlene Sanford
Writers
Robert DohertyCraig Sweeny
Guest stars
John Ortiz as Daniel MuñozDeirdre Lovejoy as Dr. MessnerJosé Zúñiga as Oswaldo CastilloEfrain Figueroa as Hector CruzGerman Santiago as Luis RuizVivis Colombetti as Maria LimaChris Bresky as Pizza Delivery GuyToni Torres as Mrs. Ruiz

Credits: TMDB.

More from Medium Season 5

  1. E01
  2. E02
  3. E03
  4. E04
  5. E05
  6. E06
  7. E07
  8. E08
  9. E09
  10. E10
  11. E11
  12. E12
  13. E13
  14. E14
  15. E15
  16. E16
  17. E17
  18. E18

Every episode of Season 5Medium 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.