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Cobweb Fan Theories
Cobweb had limited theatrical release in July 2023 where it was immediately swallowed up by the cultural juggernaut that was the summer of ‘Barbenheimer’. Released onto Netflix in September 2024, presumably in preparation for spooky season. It is an interesting watch.
Cobweb weaves its creepy tale around Peter (Woody Norman) a reserved eight year old boy. Peter lives with his mum; Carol (Lizzy Caplan), and his dad; Mark (Antony Starr), in a decrepit house. Peter is kept awake by strange knockings on his bedroom wall during the night. Both his parents dismiss this as Peter’s overactive imagination yet Mark enlists Peter’s help to put down poison for suspected rats.
Peter is quiet at school with no friends which inevitably attracts bullies. We see that Peter’s problems fitting in at school could be attributed to the odd behaviour of his parents. Despite being set in the modern era their house lacks a TV or seemingly any technology bar a landline phone in the kitchen.
The knocking on Peter’s bedroom wall turns into a female child’s voice asking for help then claiming to be his sister whom his parents have locked away, her name is Sarah. The disembodied voice claims the parents are “evil”. The parents bizarre behaviour turns to abusive when they lock Peter in the basement for drawing the attention of his teacher to their home.
Peter’s sister in the wall eventually tricks Peter into poisoning his parents with the rat poison and setting her free. Sarah turns out to be an evil spider-like monstrous being. She gleefully rips through people with her elongated nails while taunting Peter. Peter is eventually rescued by his teacher Ms Devine (clearly from the Charles Dickens school of character naming) and Sarah is locked back into her cage in the basement. Sarah warns Peter that the night will haunt him forever and that they are “family”.
But is all as it seems with this twisted tale? The outlandish ending left many scratching their heads at what began as a pretty grounded movie. Fans and critics alike took to social media to share their theories and thoughts on this underrated horror.
I enjoyed the story. The acting was superb, particularly Norman who sold his role as an anxious child who slowly begins to understand his own strength and resilience. Special mention of course goes to Antony Starr. His wide smile and Patrick Bateman-esque eyes upped the creepy factor significantly. When Sarah crawled out of her prison behind the wall while talking to Peter in her death rattle, I had to mute the film because I was so creeped out!
Many viewers commented that the third act is vastly different from the rest of the movie. Was this simply a rushed production deadline or COVID related problems? Or was the film alluding to something different altogether? There are many fan theories scurrying around the interweb regarding the origin and meaning behind Peter’s, apparently, demonic sibling.
Here are a few of my favourites:
Sarah is Just a Figment
Throughout the narrative we are reminded that Peter has a big imagination. He’s also lonely, he has no friends at school and spends recess helping the teacher. It also becomes clear that Peter is being abused by his parents, their behaviour becoming increasingly more erratic. Seeing a young child being locked in a basement is far more terrifying to me than any ghost or ghoul. When he’s finally allowed out of the basement his mum brings him a tray of cupcakes to celebrate his freedom and bathes him. In typical abuser fashion Peter is made to apologise for his behaviour. Is it any wonder this little boy conjured himself an imaginary friend? Maybe even one with a familial bond? He would at least have one family member who doesn’t abuse him.
The majority of the story takes place at the family home. Its very noticeable that the outside of the house doesn’t exactly match the layout of the interior (and not just because one is a sound stage). Every shot is so beautiful that we have to believe this was deliberate. Despite the house being colonial in design, the inside is spacious with the use of wide shots. Everything feels so big, is this because we are seeing through a small child’s eyes? In this large, sometimes scary house maybe Peter’s damaged mind build up a fantasy around the sounds of actual rats scratching the walls. Imagining a sister he could run away with and start a new life.
This theory is supported by the almost nonchalant way Peter’s parents treat the whole situation. They have sealed their daughter in the walls of their house, did they not ever think she would maybe try to communicate with their son? Carol doesn’t even seem particularly alarmed when Peter starts talking about hearing sounds coming from inside the walls.
Maybe an abused little boy would fantasise about his magical imaginary sister tearing his bullies limb from limb. Not only that but his favourite teacher arrives in time to rescue him from the massacre.
Did Peter invent a fantastical scenario to escape his abusive parents?
Sarah is Peter’s Subconscious
This is related to the first theory. A Redditor pointed out that in the style of Jungian psychology there are many dream-like ‘hooks’ in the movie. A hook in a dream is something non-sensical to let the dreamer know they are dreaming. There are many of these in Cobweb. The family inexplicably have a beautiful pumpkin patch in their backyard. Very atmospheric but why? Are they selling these pumpkins? They don’t like Halloween. Some viewers think the soup the family ate (every night) was pumpkin soup but looked to me to be the wrong color. Not just the patch but there is a child’s swing hanging from a tree right in the middle. Why would you encourage a child to play in the middle of delicate fruit he could tread on? Or if we lean into the dream theory; the swing in the pumpkin patch could represent Peter’s life from his perspective. Trying to play and be a normal child but with one wrong move he could destroy everything and anger his parents.
Keeping with the narrative Sarah becomes Peter’s subconscious or shadow self, all the repressed thoughts and feelings that are not acknowledged in daylight. The walls of Peter’s bedroom are covered in pictures and drawings except the wall through which he talks to Sarah, which is completely bare.
Sarah encourages Peter to stand up for himself against his bullies and the next day he pushes one down the stairs injuring the bully. Sarah eventually convinces Peter to poison his parents, she warns him they want to kill him. Even Sarah’s appearance; starts off initially creepy with Sadako’s spiderlike movements, long matted hair filled with spiders, and long lethal nails. When we finally see her face the CGI is admittedly awful. The rest of the film has seemed so deliberate with every shot is the CGI deliberately phony looking? Sarah has a too-wide mouth with sharp teeth and shining eyes, basically how a child would draw a ‘scary face’. Sarah taunts Peter, Evil Dead style, from beneath the grate in the basement saying he is just like her. So are they one in the same? Peter seemingly rejects his shadow self, leaving her to rot in her cell. But is that enough after he killed his parents? Is cute little Peter a burgeoning psychopath and this is his origin story?
And They Were Demons!
This is a fun one. While Sarah is locked in her cell she pleads with Peter saying that “it is in our blood”. What exactly does that mean? Sarah is not a normal girl if the walking up walls didn’t give you a clue. How could these outwardly normal-looking parents have birthed such a monster? Unless they are monsters too. It would explain Mark’s sinister attributes. During Peter’s nightmare, his mother has shining white eyes just like his sister.
So is Peter some kind of demonic being? During the movie, Peter shows no outward supernatural abilities. Some have argued he shows super strength when pulling Sarah by her hair or it may just be plot convenience. However, eight-year-old Peter thinks to use the rat poison to poison his parent’s dinner. He even thinks about cutting the phone line so they can’t call 911. That’s extremely evil behaviour to put it mildly. Is this Peter’s demonic genes?
This theory also explains why Peter’s parents are so strict with him. Why did they overreact when Peter pushed the bully down the stairs? They knew what happened with Sarah, she almost got them found out.
Will Peter start to mutate like his sister? Ideas for a sequel maybe?
Even without these theories, Cobweb was a fun ride while it lasted. For an hour-and-a-half film, I personally fell into a virtual world of critiques and fan theories. Perhaps it is best to think of it like a modern fairytale, certainly more Grimm than Hitchcock!

