S18E01Criminal Minds season 18 episode 1: Swimmer's Calculus
Aired 8 May 202548 minRated TV-14
Where to watch Criminal Minds Season 18 in Australia
Criminal Minds season 18 is streaming in Australia on Disney+ (subscription, listed for the whole show).
We may earn a commission when you sign up through our links. How we make money.
Stream (subscription)
Stream Now on Disney+Disney+
Subscription · Listed for the whole show
From $9.99/mth
Availability checked 16 November 2026.
What happens in “Swimmer's Calculus”
When bodies wash up on the Maryland shoreline, the BAU races to find the UnSub. After surviving a prison attack, Elias Voit has been placed in a medically induced coma while Rossi is investigated for the incident.
Episode summary: TMDB.
Before you watch
- It is the season premiere of season 18.
- It runs about 48 minutes.
- Directed by Bethany Rooney, written by Breen Frazier.
- TMDB users rate it 8.3 out of 10 (9 votes).
Cast and crew of this episode
- Director
- Bethany Rooney
- Writer
- Breen Frazier
- Guest stars
- Nicole Pacent as Rebecca WilsonJade Harlow as Kristi EstesTate Moore as Vivian EstesEddie Mills as Curtis EstesGilli Messer as Agent Beatriz CarrCortes Alexander as Travis TownsendEric Alperin as Work FriendAustin Archer as David Hartle
Credits: TMDB.
More from Criminal Minds Season 18
Every episode of Season 18Criminal Minds 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.