Season 6 Spoilers
I didn't notice if this was posted here but I was checking something on Wiki and saw this little blurb. Again, taken from Wiki so use a few grains of salt when reading.
Psych has been renewed for a sixth season, to begin in fall 2011.[1] Malcolm McDowell will appear as a British diplomat in the premiere episode, entitled "Shawn Rescues Darth Vader".[22] Kristy Swanson has been confirmed to appear in a vampire-themed episode, entitled "This Episode Sucks",[23] while Molly Ringwald will portray a nurse at a mental hospital in yet another theme episode based on One Flew Over the Cuckoo's Nest.[24] The season may also contain a sequel episode to the Twin Peaks-inspired fifth season episode "Dual Spires" (5.12),[25] and possible musical and baseball-themed episodes.[26] Production for the season began in late March, 2011.[22]
Psych has been renewed for a sixth season, to begin in fall 2011.[1] Malcolm McDowell will appear as a British diplomat in the premiere episode, entitled "Shawn Rescues Darth Vader".[22] Kristy Swanson has been confirmed to appear in a vampire-themed episode, entitled "This Episode Sucks",[23] while Molly Ringwald will portray a nurse at a mental hospital in yet another theme episode based on One Flew Over the Cuckoo's Nest.[24] The season may also contain a sequel episode to the Twin Peaks-inspired fifth season episode "Dual Spires" (5.12),[25] and possible musical and baseball-themed episodes.[26] Production for the season began in late March, 2011.[22]