S04E22The Mentalist season 4 episode 22: So Long, and Thanks for All the Red Snapper
Aired 3 May 201242 minRated TV-14
Where to watch The Mentalist Season 4 in Australia
The Mentalist season 4 is streaming in Australia on Prime Video (subscription), HBO Max (subscription) and Netflix (subscription). You can also buy it on Apple TV from $29.99.
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Availability checked 16 November 2026.
What happens in “So Long, and Thanks for All the Red Snapper”
While investigating the murder of a surfer, Lisbon reconnects with her former fiancé, Kenny Johnson, who she hasn't seen in over a decade. Also, Cho questions his decision to be in a relationship with Summer.
Episode summary: TMDB.
Before you watch
- It is episode 22 of 24 of season 4, so watch episodes 1 to 21 first.
- It runs about 42 minutes.
- Directed by Chris Long, written by Ashley Gable.
- TMDB users rate it 6.6 out of 10 (29 votes).
Cast and crew of this episode
- Director
- Chris Long
- Writer
- Ashley Gable
- Guest stars
- Claire Rankin as Greta MarshallBrendan McCarthy as Lance GladstoneSamaire Armstrong as Summer EdgecombeTim DeZarn as Arkin SheaBrett Rice as Chief Burt AnsonPreston Jones as Tark MitchumStephanie Lemelin as Vicky LangKeram Malicki-Sánchez as Carlton "Tookie" Burroughs
Credits: TMDB.
More from The Mentalist Season 4
Every episode of Season 4The Mentalist 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.