Mentalist Episode Count Comparison (Seasons)
How many Mentalist episodes per season? Compare all 7 season counts plus the 151 total, from 13 in season 7 to 24 in peak years, using official CBS guides.
Visual comparison
All values
Click any row to load it as Entry A.
| Name | Value | Context | Source |
|---|---|---|---|
| Full series episodes Top here at 151 episodes. | 151 episodes | Full CBS run, 2008 to 2015 | CBS episode guide: Mentalist 151 episodes total |
| Season 1 episodes 23 episodes. Opener year. | 23 episodes | Season 1, 2008 to 2009 | CBS guide: Season 1 23 episodes |
| Season 2 episodes 23 episodes. | 23 episodes | Season 2, 2009 to 2010 | CBS guide: Season 2 23 episodes |
| Season 3 episodes Ties longest at 24. | 24 episodes | Season 3, 2010 to 2011 | CBS guide: Season 3 24 episodes |
| Season 4 episodes Ties longest at 24. | 24 episodes | Season 4, 2011 to 2012 | CBS guide: Season 4 24 episodes |
| Season 5 episodes 22 episodes. Red John end. | 22 episodes | Season 5, 2012 to 2013 | CBS guide: Season 5 22 episodes |
| Season 6 episodes 22 episodes. FBI reboot. | 22 episodes | Season 6, 2013 to 2014 | CBS guide: Season 6 22 episodes |
| Season 7 episodes Lowest here at 13. Final run. | 13 episodes | Season 7, 2014 to 2015 | CBS guide: Season 7 13 episodes |
About this converter
The Mentalist ran 151 episodes on CBS from 2008 to 2015. Seasons 3 and 4 tie at 24, the longest on the table. Seasons 1 and 2 sit at 23 each. Seasons 5 and 6 sit at 22 each. Season 7 closes with 13 as a planned final run after the Red John arc ended. The full 151 equals more than 11 season 7 orders. The finale aired February 18 2015. All values are CBS broadcast counts. The Red John reveal in season 6 never changed the count method. The full 151 equals more than 6 season 3 orders. Seasons 1 and 2 at 23 give 46 combined. Seasons 5 and 6 at 22 give 44 more before the final year.
How to use it
Pick two entries and a unit in the top row. The three boxes below stay linked. Change any box and the other two update. One box holds a count of the first entry, one holds the matching count of the second, one holds total episodes. Try the full series against the shortest season.
Season 7 was ordered short to close the rebooted FBI years, which sets it at 13. The Red John episodes live inside season totals. No webisodes enter the rows. Only CBS broadcast season episodes are counted. The CBI to FBI move spans seasons 6 to 7 inside these totals. The Blake Association arc lives inside season 6 totals. Lisbon wedding episodes count the same as case episodes in the method used here.
FAQ
How many Mentalist episodes exist?
151 episodes across 7 seasons on CBS.
Which seasons are longest?
Seasons 3 and 4 tie at 24 episodes.
Which season is shortest?
Season 7 with 13 episodes.
When was Red John caught?
Season 6 in 2013, inside the 22 episode year.
Sources
- CBS official Mentalist episode guide (total 151, season 1 23, season 2 23, season 3 24)
- CBS episode guide (season 4 24, season 5 22, season 6 22, season 7 13)
Last verified: 2026-10-09 · 8 entries
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