The first season of The Mentalist premiered on September 23, 2008 and concluded on May 19, 2009. It consisted of 23 episodes. A haunted mansion, a murder and a treasure. Whodunit? All evidence points to a ghost, until more looking reveals house secrets. And for Rigsby/Van Pelt fans…it’s a must see episode!
| No. | Episode | Air date | ||
| 1 | Pilot | 9/23/2008 | ||
| 2 | Red Hair and Silver Tape | 9/30/2008 | ||
| 3 | Red Tide | 10/14/2008 | ||
| 4 | Ladies in Red | 10/21/2008 | ||
| 5 | Redwood | 10/28/2008 | ||
| 6 | Red-Handed | 11/11/2008 | ||
| 7 | Seeing Red | 11/18/2008 | ||
| 8 | The Thin Red Line | 11/25/2008 | ||
| 9 | Flame Red | 12/2/2008 | ||
| 10 | Red Brick and Ivy | 12/16/2008 | ||
| 11 | Red John’s Friends | 1/6/2009 | ||
| 12 | Red Rum | 1/13/2009 | ||
| 13 | Paint It Red | 1/18/2009 | ||
| 14 | Crimson Casanova | 2/10/2009 | ||
| 15 | Scarlett Fever | 2/17/2009 | ||
| 16 | Bloodshot | 3/17/2009 | ||
| 17 | Carnelian, Inc. | 3/24/2009 | ||
| 18 | Russet Potatoes | 3/31/2009 | ||
| 19 | A Dozen Red Roses | 4/7/2009 | ||
| 20 | Red Sauce | 4/28/2009 | ||
| 21 | Miss Red | 5/5/2009 | ||
| 22 | Blood Brothers | 5/12/2009 | ||
| 23 | Red John’s Footsteps | 5/19/2009 |
