Season Five of Psych, consisting of 16 episodes, premiered on USA Network in the United States on July 14, 2010, and concluded on December 22, 2010. A DVD of the season was released on May 31, 2011. Production officially started in Vancouver, British Columbia on April 28, 2010. James Roday, Dulé Hill, Timothy Omundson, Maggie Lawson, Corbin Bernsen, and Kirsten Nelson all reprised their roles as the main characters.
Steve Franks continued in his role of show runner. "I Know, You Know", performed by The Friendly Indians, continued to serve as the show's theme song, though the title sequence was changed four times. For the episode "Romeo and Juliet and Juliet", the main titles were translated into Chinese. For "Shawn 2.0", guest star Curt Smith recorded an interpretation of the theme, and Julee Cruise performed a slower extended version for "Dual Spires". The theme song used originally for the season two episode "Gus' Dad May Have Killed an Old Guy" and in the season three episode "Christmas Joy" was used for the third time in "The Polarizing Express". Curt Smith also recorded an original song, entitled "This is Christmas", for the episode.
Mel Damski directed four episodes for the season, while Steve Franks directed two. John Badham, Andrew Bernstein, Jay Chandrasekhar, Tawnia McKiernan, James Roday, Matt Shakman, and Stephen Surjik directed one episode each. David Crabtree and Reginald Hudlin joined the series to direct one episode each. Andy Berman began his directing career with the episode "Dead Bear Walking".
Berman also wrote four episodes for the season. Bill Callahan wrote four as well, while Steve Franks, Saladin K. Patterson, and James Roday wrote three. Kell Cahoon and Tim Meltreger wrote two episodes each.
James Roday continued to play fake psychic detective Shawn Spencer. Burton "Gus" Guster returned, portrayed by Dulé Hill. Timothy Omundson returned as Head Detective Carlton Lassiter, while Maggie Lawson continued to portray Juliet O'Hara. Corbin Bernsen remained in his role as Henry Spencer, who, as of the first episode, had returned to the Santa Barbara Police Department part-time. Kirsten Nelson continued to portray Karen Vick.
Sage Brocklebank returned as Officer Buzz McNab, Kurt Fuller returned as Woodrow Strode, and Liam James and Carlos McCullers II reprised their roles as young Shawn and young Gus, respectively. Liam James was abruptly replaced mid-way through the season by Skyler Gisondo. Nestor Carbonell appeared in two episodes as Declan Rand, a criminal profiler who briefly dates Juliet. Jerry Shea appeared in two episodes as well, as Ken Wong, an assistant for the Psych office. In the midseason premiere, Cary Elwes returned as Pierre Despereaux, and Peter Oldring and Ed Lauter returned as Robert Mackintosh and Ed Dykstra. Ray Wise returned as Peter Westley in a Twin Peaks-themed episode. In the season finale, Ally Sheedy returned as Mr. Yang and Peter Weller appeared as Mr. Yin while Cybill Shepherd returned as Madeleine Spencer and Jimmi Simpson appeared in videotape footage of the late Mary Lightly. Other notable guest stars for the season included Kevin Alejandro, Dana Ashbrook, Doron Bell Jr., April Bowlby, Catherine E. Coulson, Tony Cox, John DeSantis, William Devane, Nora Dunn, Sherilyn Fenn, Lee Garlington, Jon Gries, Michael Gross, Danielle Harris, John Michael Higgins, C. Thomas Howell, Brian Klugman, Rob LaBelle, Don Lake, Sheryl Lee, Robyn Lively, Bruce Locke, Ralph Macchio, Angus Macfadyen, April Matson, Chi McBride, Ryan McDonald, Vanessa Minnillo, Meredith Monroe, Becky O'Donohue, Franka Potente, Freddie Prinze, Jr., Keshia Knight Pulliam, Brad Raider, Adam Reid, Adam Rodriguez, Jean Smart, Charles Martin Smith, Curt Smith, Lauren Lee Smith, Mena Suvari, Jacob Vargas, Lenny Von Dohlen, and Carl Weathers.
|Romeo and Juliet and Juliet||July 14, 2010||64|
|Feet Don't Kill Me Now||July 21, 2010||65|
When a woman is found dead with a bottle of lab trial pills, Lassiter and Gus, who are taking the same tap class, team up to dance their way to catching a murderer, while Juliet and Shawn try their hand at teamwork too.
|Not Even Close... Encounters||July 28, 2010||66|
|Chivalry Is Not Dead... But Someone Is||August 4, 2010||67|
|Shawn and Gus in Drag (Racing)||August 11, 2010||68|
When a car thief turns up dead, Shawn and Gus must infiltrate a drag racing ring to find the killer. Shawn soon finds himself enjoying the fast lane too much, which not only endangers the investigation but also their lives.
|Viagra Falls||August 18, 2010||69|
When a former police chief is killed, it is revealed he might have been corrupt. Shawn and Gus get a glimpse of their futures as they team up with two retired detectives to clear the old chief's name and solve his murder.
|Ferry Tale||August 25, 2010||70|
|Shawn 2.0||September 1, 2010||71|
While pursuing a murder case involving victims on a liver transplant donor list, Shawn is faced with a man whose criminal profiling skills, and hair, rival his own.
|One, Maybe Two, Ways Out||September 8, 2010||72|
|Extradition II: The Actual Extradition Part||November 10, 2010||73|
Shawn and Gus are invited to prison by their old nemesis Pierre Despereaux, who uses them to escape and pull one last job before his extradition. However, he needs the duo's help for real when he is framed for murder.
|In Plain Fright||November 17, 2010||74|
|Dual Spires||December 1, 2010||75|
Shawn and Gus are invited to a festival in a small town and arrive to find themselves embroiled in the mystery of a drowned teenage girl who had supposedly already met a similar fate seven years ago in Santa Barbara.
|We'd Like to Thank the Academy||December 8, 2010||76|
|The Polarizing Express||December 15, 2010||77|
|Dead Bear Walking||December 15, 2010||78|
The murder of the local zoo's polar bear trainer is quickly pinned on the polar bear, but Shawn believes the animal to be innocent.
|Yang 3 in 2D||December 22, 2010||79|
The Yin/Yang trilogy comes to a thrilling close as Shawn and Gus race to save a woman kidnapped by Mr. Yin. However, this time they need Mr. Yang's knowledge of Yin and have no choice but to let her tag along.