Guest Starring: Jeffrey Tambor (Lloyd French), Parminder Nagra (Rachael), Alex Quijano (Detective Lamas), Tony Plana (Pablo Nunez)
Co-Starring: Susan Hogan (Maryanne), Mateen Devji (Maximus), Sean Amsing (Clerk), Luis Javier (Mexican Street Vendor), Peter Bryant (FBI Agent), Mike Miguel Hanus (Nacho), Marcio Moreno (Guzman), Jose Vargas (Ortiz), Cynthia Mendez (Female Assistant #1), Xiomara Lopez (Female Assistant #2)
Written By: Kell Cahoon
Directed By: Mel Damski
Ep: 100
100 Clues
Special Guest Stars: Martin Mull (Highway Harry / Manager), Lesley Ann Warren (Leslie / Groupie)
Guest Starring: Steve Valentine (Billy Lipps), Garrett Morris (Clizby / Butler), Christopher Lloyd (Martin Kahn / Author), Curt Smith (Himself)
Co-Starring: Mateen Devji (Maximus), J. Douglas Stewart (Jeffrey Duke), Karl Pazdernik (Hugo), Toby Levins (Leonardo), Michael Brian (Director), Josh Kalender (Rico), Ninon Parent (Sage), Sylvain Drolet (Francoise)
Written By: Saladin K. Patterson
Directed By: Jennifer Lynch
Ep: 102
Deez Nups
Guest Starring: Mike Starr (Max Rizzo), Kristy Swanson (Marlowe), Cocoa Brown (Big Wendy), Pete Gardner (Stumpy), Steve Rosen (Herb Pollack)
And: Kurt Fuller (Woody the Coroner)
Co-Starring: Sage Brocklebank (McNab), Dana McLoughlin (Charlene), Patrick Sabongui (Tito), Bob Dong (Korean Maintenance Man)
Written By: Bill Callahan & James Roday
Directed By: James Roday
Ep: 103
Right Turn or Left For Dead
Guest Starring: Jeffrey Tambor (Lloyd French), Rose Adboo (Mary Pasternak)
And: Kurt Fuller (Woody the Coroner)
Co-Starring: Lauriane Gillieron (Elin), Christopher De-Schuster (Torsten), Carl Toftfelt (Oskar), Parm Soor (Dariush), Bruce Salomon (Mason Pasternak), Michael Charrois (Anders), Brent Connolly (Cory Wolfe), Matt Mylrea (Erik Palma)
Guest Starring: John Kapelos (Tom Swagerty), Neil Grayston (Jason Straub), Sebastian Spence (Gavin Channing), Laura Soltis (Renee Channing)
And: Kurt Fuller (Woody the Coroner)
Co-Starring: Brenda M. Crichlow (Hostess), Darla Fay (Local Citizen), Miriam Smith (Receptionist), Jessie Fraser (Abby Sheldon), Steven Jeays (Shirtless Dude), Darren Daurie (Mike the Plumber), Ela Desmarchelier (Young Woman), Duncan Minett (Councilman)
Written By: Tim Meltreger
Directed By: Richard Coleman
Ep: 106
Office Space
Special Guest Star: David Koechner (Leslie Valerie Sally)
Guest Starring: Michael McGlone (Mitch Murray)
And: Kurt Fuller (Woody the Coroner)
Co-Starring: Michael Daingerfield (Dorian Creech), Allie Bertram (Helen), Zahf Paroo (Finch), Byron Noble (Neil), Shaw Madson (EMT), Winson Won (Employee), Jason Cermak (Morrison)
Co-Starring: Brent Chapman (Crock), Dale Wolfe (Dean), Haig Sutherland (Syd), Dale Wilson (Redd), Ken Kirzinger (Bob), Avital Ludwig (Employee)
Written By: Saladin K. Patterson & Kell Cahoon
Directed By: Saladin K. Patterson
Ep: 108
Nip and Suck It
Guest Starring: Lori Loughlin (Dr. Joan Diamond), Gregory Harrison (Ted Lomax), Cindy Busby (Leecy)
And: Kurt Fuller (Woody the Coroner)
Co-Starring: Levi James (Brad Turner), Anne Openshaw (Brianna Hicks), Alex Kliner (Guide), Darren Dolynski (Waiter), Sandra Laratta (Nurse), Thi Than (Tricia), Shanae Tomasevich (Female Patient), Jane MacDougall (Handsome Woman), Tiara Sorensen (Shelly Aaronson), Gavin Cooke (Disgruntled Delivery Person)
Written By: Carlos Jacott & Tim Meltreger
Directed By: Mel Damski
Ep: 109
Ain't No Trout About It
Special Guest Star: Anthony Michael Hall (Harris Trout)
Guest Starring: Joey Slotnick (Leo Quinn), Rebeka Montoya (Rita Quinn), Josh Pais (Dr. Richard Umma)
Co-Starring: Sage Brocklebank (McNab), Dan Zukovic (Bank Manager), Maxine Miller (Mrs. Lauderbach), Erika Walter (Runner Gal), Michael Smith (Charles Sax), Mittita Barber (Desk Clerk), Robert Mann (Mortician), Gaalen Engen (German Man), Fabiola Colmenero (Woman #1), Maria Joao Cruz (Woman #2)
Written By: Bill Callahan & Carlos Jacott
Directed By: Brad Turner
Ep: 110/111
Psych: The Musical
Special Guest Stars: Anthony Rapp (Zachary Wallace Zander aka Z), Barry Bostwick (Roland Armitage)
Special Guest Stars: Ally Sheedy (Yang), Jimmi Simpson (Angel)
And: Peter Chelsom (The Narrator)
Co-Starring: Sage Brocklebank (McNab), Hrothgar Mathews (Park Loner), Simon Webb (Dr. Adair), Tony Bailey (Humongous Guard), Paula Giroday (Audra), Shawn MacDonald (Miles Thornton), Gary Jones (Charlos the Stage Manager), Lyle St. Goddard (Patient), Michael Ackhurst (Hot Dog Vendor), Kevin O'Grady (Bartender), Steven Rudy (Doctor), Beau Daniels (Janitor), Joel Wirkkunen (Orderly)