13 Best Psych Episodes to Watch for Halloween: Ghosts, Vampires, and Murder
From haunted houses and creepy summer camps to werewolves, vampires, and zombies, these 13 Psych episodes are perfect for a Halloween mystery marathon.
Halloween is the perfect time for ghosts, monsters, haunted houses, and murder mysteries. And if you prefer your scares with plenty of laughter, there's one television series that deserves a place on your October watchlist: Psych.
Few detective shows combine spooky mysteries and ridiculous comedy quite as successfully as Psych. Over eight seasons, Shawn Spencer and Burton "Gus" Guster investigate everything from supposedly haunted houses to vampires, werewolves, and even a possible mummy on the loose. And while the cases can be genuinely creepy, you can always count on Shawn and Gus to make even the most frightening situations hilarious.
Whether you're a longtime Psych-O looking to revisit your favorite episodes or a newcomer searching for a fun Halloween mystery series, we've put together 13 of the best Psych episodes to watch for Halloween.
Some are actual Halloween-themed episodes, while others pay tribute to classic horror movies or feature supernatural mysteries that make them perfect for spooky season.
So grab some Halloween candy, perhaps a pineapple, and get ready for a Psych Halloween marathon!
What Is Psych About?
Before we begin our countdown, here's a little background for anyone who hasn't experienced the wonderfully ridiculous world of Psych.
The USA Network detective comedy, which originally aired from 2006 to 2014, follows Shawn Spencer (played by James Roday Rodriguez), a highly observant man whose detective father trained him from childhood to notice even the smallest details.
When Shawn's extraordinary observational abilities attract the attention of the Santa Barbara Police Department, he convinces them that he's psychic. Rather than admit the truth, he starts a psychic detective agency with his lifelong best friend, Burton "Gus" Guster (played by Dulé Hill).
Together, they investigate crimes while working alongside detectives Carlton Lassiter (played by Timothy Omundson) and Juliet O'Hara (played by Maggie Lawson).
What makes Psych special is its combination of clever mysteries, pop-culture references, eccentric characters, and the wonderful friendship between Shawn and Gus. And when the show decides to embrace horror movies and supernatural legends, things get even more entertaining.
Here are our 13 favorite episodes for Halloween, counting down to our top pick.
13. "Who Ya Gonna Call?" — Season 1, Episode 7
The Mystery: When a frightened man named Robert Dunn approaches Shawn and Gus, he claims that a ghost is haunting him and trying to kill him.
Strange things have been happening inside his home. Objects move, rooms appear disturbed, and the increasingly terrified Robert is convinced that a supernatural presence is responsible.
Naturally, Shawn and Gus agree to investigate. What begins as a possible haunting soon becomes connected to a much more serious mystery.
As the two detectives attempt to uncover the truth, they discover that the explanation may be far more complicated than an ordinary ghost story.
Why It's Perfect for Halloween: A supposedly haunted house, mysterious disturbances, and a frightened client make this early Psych episode a fun choice for October. The title is also a playful nod to Ghostbusters, which should tell you something about the episode's sense of humor.
It's an excellent reminder that Shawn and Gus were getting mixed up in spooky mysteries from the very beginning of the series.
12. "A Nightmare on State Street" — Season 8, Episode 9
The Mystery: Gus has been having disturbing nightmares, and his anxieties begin interfering with his everyday life.
Hoping to understand what's happening, he visits a dream therapist, Dr. Ashford N. Simpson (played by Bruce Campbell), who attempts to help him confront his fears through unusual dream therapy techniques.
Unfortunately, Gus's dreams become increasingly bizarre and terrifying.
As the episode moves between reality and Gus's nightmares, familiar characters appear in strange situations, and zombie-like creatures create plenty of opportunities for horror-inspired chaos.
Why It's Perfect for Halloween: If you love horror movies, this episode is packed with the kind of nightmarish imagery that makes October viewing so much fun.
Bruce Campbell, beloved by horror fans for his work in the Evil Dead franchise, is a particularly appropriate guest star.
This is one of the show's most experimental episodes, and its surreal storytelling makes it very different from a traditional Psych mystery. But for viewers who enjoy zombies, nightmares, and horror comedy, it's worth adding to the Halloween lineup.
11. "Ghosts" — Season 3, Episode 1
The Mystery: Gus's professional life is in jeopardy when his boss, Ogletree, discovers how much time he's been spending working with Shawn at their detective agency.
Concerned about Gus's commitment to his pharmaceutical sales job, Ogletree threatens his employment.
But when mysterious disturbances begin occurring inside Ogletree's home, he turns to Shawn and Gus for help.
The house appears to be haunted, and the strange events leave its owner desperate for an explanation. Shawn and Gus must investigate the supposedly supernatural activity while Gus attempts to protect his career.
Why It's Perfect for Halloween: Haunted houses are a Halloween staple, and this episode offers a fun variation on the traditional ghost story.
It's also an especially entertaining example of how Gus tries to balance his relatively normal professional life with the chaos that inevitably follows Shawn.
The supernatural mystery provides the spooky atmosphere, while the complications surrounding Gus's job deliver plenty of classic Psych comedy.
10. "Shawn (and Gus) of the Dead" — Season 2, Episode 16
The Mystery: When an ancient Egyptian mummy disappears from a museum, Shawn and Gus find themselves investigating a case that seems to have stepped straight out of a classic monster movie.
The missing mummy isn't the only problem. Strange events surrounding the exhibit raise the possibility that an ancient curse may be involved.
As the investigation becomes increasingly serious, Shawn and Gus must determine whether the mummy has somehow returned to life or whether someone is using the legend to conceal a crime.
Meanwhile, the museum setting provides plenty of opportunities for Gus to become understandably nervous about the possibility of an undead Egyptian wandering around Santa Barbara.
Why It's Perfect for Halloween: Mummies are among the most recognizable classic movie monsters, making this episode a natural addition to any Halloween watchlist.
The museum setting, ancient Egyptian artifacts, and mysterious disappearance create an entertaining atmosphere reminiscent of old-fashioned monster movies.
And watching Shawn and Gus attempt to investigate a possible mummy-related crime is exactly the sort of Halloween entertainment we love.
9. "Let's Get Hairy" — Season 4, Episode 8
The Mystery: A troubled man named Stewart Gimbley (played by Joshua Malina) approaches Shawn and Gus with an unusual concern: he believes he might be a werewolf.
Stewart is experiencing frightening blackouts and worries that he may be transforming into a dangerous creature without remembering what happens.
Even more disturbing, he fears that he may have committed a murder during one of these episodes.
Shawn and Gus agree to investigate his claims, but the evidence surrounding Stewart's strange behavior only makes the case more complicated.
Is Stewart really suffering from some kind of supernatural transformation, or is there a more earthly explanation for the frightening events?
Why It's Perfect for Halloween: Werewolves, mysterious blackouts, and the possibility of a monster lurking in Santa Barbara make this episode an excellent choice for October.
The episode has fun with classic werewolf mythology while still delivering the kind of detective puzzle that Psych fans expect.
And, as usual, Gus's reactions to the possibility of a genuine supernatural creature are almost as entertaining as the mystery itself.
8. "The Devil Is in the Details… and the Upstairs Bedroom" — Season 4, Episode 4
The Mystery: Shawn and Gus investigate the death of a student at a Catholic university, where the circumstances surrounding the case suggest something deeply unsettling.
Things become even stranger when another student begins displaying behavior that some believe indicates demonic possession.
As reports of disturbing incidents spread, the possibility of supernatural forces becomes an important part of the investigation.
Shawn and Gus must determine whether the strange behavior is connected to the student's death and whether the apparent possession is genuine or concealing a more conventional crime.
Why It's Perfect for Halloween: Demonic possession is a familiar theme in horror movies, and this episode embraces that atmosphere while maintaining Psych's sense of humor.
The religious setting, mysterious death, and frightening behavior make it one of the show's more overtly supernatural-looking investigations.
For viewers who enjoy horror-inspired mysteries but prefer clever detective work to genuine paranormal explanations, this episode is a particularly entertaining choice.
7. "Lassie Jerky" — Season 7, Episode 3
The Mystery: Shawn and Gus venture into the wilderness with a group of student filmmakers who are making a documentary about Bigfoot.
The filmmakers hope to capture evidence that the legendary creature exists, but their expedition quickly becomes much more dangerous than anyone anticipated.
Strange discoveries, unsettling noises, and frightening encounters transform the trip into a survival nightmare.
As the group becomes increasingly isolated, Shawn and Gus must determine whether they're dealing with a legendary monster or something even more dangerous.
The episode is presented partly through the filmmakers' footage, giving it a distinctive found-footage horror style.
Why It's Perfect for Halloween: This episode is a love letter to Bigfoot legends and found-footage horror movies.
The dark woods, mysterious creature sightings, and growing sense of danger make it an excellent Halloween selection.
It's also fun to see the usually confident Shawn and Gus trying to maintain their composure while surrounded by possible monsters in the wilderness.
If you enjoy horror movies such as The Blair Witch Project, you'll recognize the style this episode is affectionately parodying.
6. "100 Clues" — Season 7, Episode 5
The Mystery: Shawn and Gus receive an invitation to a mysterious gathering at the mansion of former rock star Billy Lipps (played by Steve Valentine).
The gathering brings together an unusual assortment of guests, many of whom have connections to a notorious crime from the past.
When a murder occurs, the mansion becomes the setting for a classic whodunit.
With suspicious guests, hidden motives, and plenty of opportunities for deception, Shawn and Gus must sort through the clues to determine who is responsible.
The episode also features a memorable collection of guest stars, including Christopher Lloyd, Lesley Ann Warren, and Martin Mull.
Why It's Perfect for Halloween: Although this isn't specifically a Halloween episode, its mysterious mansion, eccentric guests, and murder-party atmosphere make it a wonderful choice for an October mystery marathon.
The episode is a tribute to the classic mystery comedy Clue, complete with the sort of elaborate suspects and entertaining twists that make old-fashioned whodunits so much fun.
For cozy mystery fans who enjoy murder mystery dinner parties, this episode is particularly appealing.
5. "This Episode Sucks" — Season 6, Episode 3
The Mystery: Shawn and Gus investigate a series of suspicious deaths involving victims who appear to have had their blood drained.
The strange circumstances suggest that a vampire may be responsible.
Things become even more complicated when Detective Lassiter develops a romantic interest in Marlowe Viccellio (played by Kristy Swanson), a mysterious woman whose connection to the case raises questions.
As Shawn and Gus explore the unusual world surrounding the crimes, they begin to wonder whether Lassiter has fallen for someone who might actually be a vampire.
The episode also features Corey Feldman, making the horror-movie connections even more entertaining.
Why It's Perfect for Halloween: Vampires are practically required viewing during Halloween, and this episode has plenty of fun with vampire mythology and horror-film references.
Kristy Swanson, who played Buffy in the original Buffy the Vampire Slayer movie, and Corey Feldman, known for The Lost Boys, make particularly fitting guest stars.
Add Lassiter's unexpected romance and Shawn and Gus's increasingly outrageous suspicions, and you have one of the show's most entertaining supernatural-themed mysteries.
4. "Heeeeere's Lassie" — Season 6, Episode 11
The Mystery: Detective Carlton Lassiter moves into a new apartment in an old building, hoping to enjoy a fresh start.
Unfortunately, his new home seems to have other plans.
Strange noises, unsettling visions, and increasingly disturbing events begin to convince Lassiter that something is terribly wrong with the building.
As his behavior becomes more erratic, Shawn and Gus investigate the possibility that the apartment is haunted.
But is Lassiter really experiencing supernatural activity, or is someone deliberately trying to frighten him?
The episode also features Louis Gossett Jr. as the building's manager.
Why It's Perfect for Halloween: This episode is filled with references to classic horror movies, particularly The Shining.
The eerie apartment building, unsettling imagery, and Lassiter's increasingly frightening experiences create one of the show's strongest horror atmospheres.
It's also a particularly entertaining change of pace to see the usually tough, skeptical Lassiter become the person at the center of a possible haunting.
For fans who enjoy psychological horror mixed with comedy, this is an excellent Halloween choice.
3. "In Plain Fright" — Season 5, Episode 11
The Mystery: Shawn and Gus visit Scare Fest, a Halloween-themed amusement park event filled with haunted attractions and frightening entertainment.
While riding through a haunted house attraction, Shawn witnesses what he believes is a real murder.
Unfortunately, proving that a crime actually occurred is more difficult than expected.
The investigation becomes even stranger when evidence suggests that the killer may be connected to the legend of a young man who died at the attraction years earlier.
As Shawn and Gus investigate, they must determine whether someone is exploiting the park's frightening history or whether the supposed ghost has somehow returned.
Why It's Perfect for Halloween: Of all the episodes on this list, "In Plain Fright" is one of the most directly connected to Halloween festivities.
A haunted amusement park, frightening costumes, ghost stories, and a murder inside a haunted attraction make it an ideal seasonal mystery.
The setting is wonderfully atmospheric, and the combination of real danger and deliberately manufactured scares gives Shawn and Gus plenty of opportunities for hilarious reactions.
If you're planning a Halloween Psych marathon, this episode absolutely deserves a place near the top.
2. "Tuesday the 17th" — Season 3, Episode 15
The Mystery: Shawn and Gus return to Camp Tikihama, the summer camp they attended as children, after an old acquaintance asks for help locating a missing counselor.
The camp has a disturbing history, and it doesn't take long for the investigation to become increasingly frightening.
As a violent storm rolls in and communication with the outside world becomes difficult, the isolated camp begins to feel like the setting of a classic slasher movie.
When more disturbing events occur, Shawn and Gus must determine whether someone is recreating the camp's frightening past.
With danger lurking around the cabins and wooded grounds, the detectives may have to worry about surviving the night as much as solving the mystery.
Why It's Perfect for Halloween: This episode is a wonderfully entertaining tribute to classic summer-camp slasher movies, especially Friday the 13th.
It has nearly everything you'd expect from the genre: an isolated camp, an ominous backstory, a storm, suspicious characters, and a mysterious threat.
What makes it particularly enjoyable is the way Psych balances genuinely suspenseful moments with Shawn and Gus's usual humor.
For fans of classic horror movies who also love detective mysteries, "Tuesday the 17th" is one of the show's absolute best Halloween viewing choices.
1. "Scary Sherry: Bianca's Toast" — Season 1, Episode 15
The Mystery: Years earlier, Shawn and Gus witnessed a terrifying event at the Wispy Sunny Pines mental institution on Halloween night.
The incident became the foundation for the local urban legend of Scary Sherry, a supposedly vengeful spirit whose story has frightened people for years.
In the present day, a young college student dies under mysterious circumstances at the abandoned institution, and the death appears connected to the frightening legend.
As Shawn and Gus investigate, the case leads them into the world of sororities, college traditions, and ghost stories.
With students terrified that Scary Sherry has returned, Shawn must determine whether the supernatural legend is concealing a very real murderer.
Why It's Perfect for Halloween: "Scary Sherry: Bianca's Toast" has everything we want from a Halloween mystery.
There's an abandoned mental institution, a creepy urban legend, frightened college students, and a mysterious death that seems to echo a tragedy from the past.
The episode also features some wonderfully funny moments involving Shawn and Gus, proving that even a genuinely spooky mystery can be hilarious in the hands of Psych.
What makes this episode our top choice is how perfectly it captures the show's unique combination of suspense, comedy, friendship, and detective storytelling.
It's spooky enough to feel like Halloween, clever enough to satisfy mystery fans, and funny enough to remind us why we love Shawn and Gus.
If you're only going to watch one Psych episode this Halloween, this is our pick!
Where Can You Stream Psych?
As of October 2026, Psych is available to stream in the United States through Peacock, Amazon Prime Video, and Philo, depending on your subscription. Individual episodes and seasons can also be purchased through Amazon Video, Apple TV, and Fandango at Home.
You can check the series on Peacock, Prime Video, or JustWatch to confirm current viewing options.
Streaming availability can change, so it's worth checking before planning your marathon.
Which Psych Episode Should You Watch First on Halloween?
Can't decide where to start? Here are a few suggestions based on the kind of Halloween mood you're in.
For a classic ghost story: "Scary Sherry: Bianca's Toast" or "Ghosts."
For slasher-movie fans: "Tuesday the 17th."
For vampires and monsters: "This Episode Sucks" or "Let's Get Hairy."
For a haunted attraction: "In Plain Fright."
For psychological horror: "Heeeeere's Lassie."
For a classic mansion murder mystery: "100 Clues."
For zombies and surreal nightmares: "A Nightmare on State Street."
Of course, you could always watch all 13. We certainly wouldn't judge!
Why Psych Is Perfect Halloween Viewing
One of the things that makes Psych such an enjoyable Halloween watch is that it never takes itself too seriously.
Even when Shawn and Gus find themselves surrounded by supposedly supernatural activity, the series remembers that it's first and foremost a detective comedy.
The mysteries are clever, the characters are lovable, and the humor makes even the creepiest situations entertaining.
And there's something particularly satisfying about watching two friends who have known each other since childhood confront monsters, ghosts, and murderers while continuing to argue about completely ridiculous things.
Whether you're revisiting the series for the hundredth time or discovering these episodes for the first time, Psych offers the perfect combination of mystery, laughter, and Halloween atmosphere.
So settle in with your favorite spooky snacks, turn down the lights, and enjoy a Halloween mystery marathon with Shawn and Gus.
What's your favorite spooky Psych episode? Would you rank "Scary Sherry" at number one, or does another episode deserve the top spot? Let us know!
Happy Halloween from CozyCrimes!