While investigating a mask-making company, Dr. Dan Challis and Ellie Grimbridge uncover a disturbing plot orchestrated by the enigmatic Conal Cochran. As Halloween draws near, Cochran intends to execute a horrifying ritual involving stolen Stonehenge stones, Silver Shamrock masks, and a seemingly innocent television advertisement. His plan culminates in a devastating event targeting millions of children across the country, promising a gruesome and unforgettable spectacle.
Does Halloween III: Season of the Witch have end credit scenes?
No!
Halloween III: Season of the Witch does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of Halloween III: Season of the Witch, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.
Discover where to watch Halloween III: Season of the Witch online, including streaming platforms, rental options, and official sources. Compare reviews, ratings, and in-depth movie information across sites like Metacritic, Rotten Tomatoes, TMDb or Wikipedia.
See how Halloween III: Season of the Witch is rated across major platforms like IMDb, Metacritic, and TMDb. Compare audience scores and critic reviews to understand where Halloween III: Season of the Witch stands among top-rated movies in its genre.
50
Metascore
6.2
User Score
51%
TOMATOMETER
30%
User Score
52
%
User Score
Challenge your knowledge of Halloween III: Season of the Witch with this fun and interactive movie quiz. Test yourself on key plot points, iconic characters, hidden details, and memorable moments to see how well you really know the film.
What night does the film take place?
Read the complete plot summary of Halloween III: Season of the Witch, including all major events, twists, and the full ending explained in detail. Explore key characters, themes, hidden meanings, and everything you need to understand the story from beginning to end.
On a crisp autumn evening in Northern California, specifically on October 23rd, 1982, the life of Harry Grimbridge was about to descend into darkness. Clutching a jack-o-lantern Halloween mask, Harry found himself pursued by ominous figures clad in black suits. As he collapsed at the threshold of Walter Jones’s establishment, Walter hurriedly called for help, leaving Harry’s fate hanging by a thread. Rushed to the hospital, he came under the care of Dr. Daniel Challis, an accomplished yet troubled physician battling his own demons, including a rift with his ex-wife and his two children.
As fate would have it, Harry’s story took a tragic turn when he met a cruel end at the hands of another suited assailant who ignited himself in flames, leaving nothing but a spectral unease in his wake. Following the news of her father’s death, his daughter Ellie sought the support and expertise of Dr. Challis in hopes of unraveling the enigma surrounding her father’s unexpected demise. Together, they embarked on an investigation that thrust them into a landscape fraught with danger, ultimately leading them to the eerie Santa Mira, California, home to the sinister Silver Shamrock Novelties factory.
Within Santa Mira, Dr. Challis uncovered that Harry had previously lodged at a local motel, where his presence lingered in the memories of its guests. As their investigation deepened, an innocuous discovery emerged when Marge Guttman, another unsuspecting traveler, found a microchip attached to a medallion while adjusting her hair. This seemingly trivial action unleashed a deadly energy beam that gruesomely disfigured her, culminating in a horrifying scene where an insect crawled from her mouth.
The aftermath of this incident spiraled into chaos as Marge’s lifeless body was hurriedly transported in a Silver Shamrock van, with men in lab coats whispering about a “misfire” to Conal Cochran, the enigmatic owner of the factory. As Dr. Challis and Ellie probed deeper into the mystery, they became ensnared in a treacherous web of deceit and looming menace, drawing closer to the sinister forces at play in Santa Mira.
Their relentless pursuit of the truth led them to the foreboding gates of the Silver Shamrock Novelties factory, where Ellie stumbled upon her father’s forsaken vehicle, heavily guarded by a cadre of men in suits intent on preserving their secrets. When Dr. Challis and Ellie called for help, they were met with an eerie silence, as if the very essence of reality was being warped around them. Time was of the essence, and soon Ellie was captured by Cochran’s minions, with Dr. Challis following suit, ensnared by the very androids that had infiltrated the town.
In the sterile confines of his “final processing” control room, Cochran’s twisted machinations were laid bare; he intended to use fragments of Stonehenge embedded in each mask to enact a horrific ritual. As oblivious children donned the masks while mesmerized by the “Big Giveaway” commercial, the microchips sprang to life, releasing a devastating combination of brain damage and swarms of insects along with lethal snakes, ensuring no one would escape unscathed.
With death looming ominously, Dr. Challis found himself cornered, but he refused to succumb to despair. When Cochran unveiled his perverse plan to sacrifice children at the pagan festival of Samhain, marking the day of winter’s arrival, Dr. Challis summoned all his strength, breaking free from his bonds to rescue Ellie.
As chaos erupted, Dr. Challis took control of the factory’s monitor system, disrupting the broadcast with a commercial that distracted the masked adversaries. Seizing the moment, he unleashed a torrent of medallions, wreaking havoc within the factory and upon its inhabitants. The remnants of Stonehenge came alive, exacting vengeance on Cochran himself, as flames engulfed the factory.
In the midst of their escape, a shocking revelation awaited Dr. Challis: Ellie was not who she seemed but rather a synthetic duplicate designed by Cochran. A fierce confrontation ensued, culminating in a violent crash that obliterated the android Ellie.
Desperately fleeing to Walter’s modest shop, Dr. Challis’s urgency peaked as he frantically attempted to alert television stations, imploring them to pull the plug on Cochran’s commercial. His sacrifices bore fruit with two stations, yet his final appeal fell short, leaving his cries for help echoing in vain while the threat of Cochran’s dark plan loomed ever closer.
Watch official trailers, exclusive clips, cast interviews, and behind-the-scenes footage from Halloween III: Season of the Witch. Dive deeper into the making of the film, its standout moments, and key production insights.
Explore all cars featured in Halloween III: Season of the Witch, including their makes, models, scenes they appear in, and their significance to the plot. A must-read for car enthusiasts and movie buffs alike.
Discover the central themes, ideas, and keywords that define the movie’s story, tone, and message. Analyze the film’s deeper meanings, genre influences, and recurring concepts.
Browse a curated list of movies similar in genre, tone, characters, or story structure. Discover new titles like the one you're watching, perfect for fans of related plots, vibes, or cinematic styles.
What's After the Movie?
Not sure whether to stay after the credits? Find out!
Explore Our Movie Platform
New Movie Releases (2025)
Famous Movie Actors
Top Film Production Studios
Movie Plot Summaries & Endings
Major Movie Awards & Winners
Best Concert Films & Music Documentaries
© 2025 What's After the Movie. All rights reserved.