Nancy dans la forêt du Monde à l'Envers, épisode 5 de la saison 1 de Stranger Things

Stranger Things season 1 episode 5: “The Flea and the Acrobat”, recap and analysis

Season 1 · Episode 5 · Recap

Spoiler warningThis page recaps the whole episode.
In brief

Fifty-two minutes from Matt and Ross Duffer, on a script by Alison Tatlock: Chapter Five: The Flea and the Acrobat. In this article: Mr. Clarke's lesson, the acrobat who cannot leave the rope when the flea can, the compasses going wild and the kids' method, the police chief getting inside the lab, Joyce, Lonnie and the money, Nancy going through a rift in a tree trunk. By the end, you will be able to explain that rule to someone discovering the show.

This is the episode that gives the only real rule of the show's world, and it does it with a clothesline and a flea. A science teacher explains to three kids that another world can sit right against ours, compasses go wild in the woods, and a teenager crosses to the other side through a hole in a tree. Here is “The Flea and the Acrobat”, scene by scene.

The essentials

  • Original title: Chapter Five: The Flea and the Acrobat
  • Runtime: 52 minutes
  • Directed by: Matt and Ross Duffer
  • Written by: Alison Tatlock
  • The lesson: the acrobat cannot leave the rope, the flea can
  • The ending: Nancy goes through a rift in a tree trunk

The JournalUpdated September 16, 20268 min read

Mr. Clarke's lesson, the rule of the world

After Will's funeral — he is not in the coffin, but the town buries him anyway —, the boys go to the only authority they trust: their science teacher. They ask him, without explaining anything, whether it is possible to travel to another dimension.

His answer is the most important scene of the season. He stretches out a rope and puts a paper acrobat and a flea on it: the acrobat can only go forward or backward, the flea can go underneath, to the side, anywhere. Our world is the rope; the other one is all around it, and only certain things can move through it. Everything the show tells afterward rests on that image.

The only rule the show really lays downA world laid over ours, reachable through tears in it: ten years of mythology fit inside a rope and a flea.

The compasses, and the kids' method

Armed with that explanation, the boys apply an elementary scientific method: if a gate exists, it must produce a magnetic field, and so deflect compasses. They take several of them, grid the woods on their bikes, and note down the deviations.

The show has fun turning a middle school class into an investigative tool, but it also draws the group's first real conflict out of it: Eleven, who knows where the gate is, quietly skews the readings to steer them away from the danger. Lucas works it out, accuses her, and the party breaks apart for the first time.

  1. The idea

    a gate must disturb the magnetic field, and so the compasses

  2. The grid search

    the boys map the woods on their bikes, reading by reading

  3. The sabotage

    Eleven skews the needles to protect the group

  4. The break

    Lucas notices, the argument breaks out, the party splits up

The police chief gets inside the lab

On the adults' side, the police chief acts. He gets into the complex, goes down, and finds what the fourth episode only showed from a distance: a living wall, guarded, at the bottom of a building that is nothing like an energy research center. He is spotted, restrained, and driven home.

The show gives him a classic movie scene here — the lone man forcing a forbidden door — and closes it immediately with him waking up at home, with no evidence and under surveillance. It is the most effective way to show the power of the institution: it does not even need to silence him.

Joyce, Lonnie and the money

Meanwhile, Will's father comes back to Hawkins. He makes himself present, reassuring, brings his eldest son home, talks about a lawyer. Joyce works out quickly what he is after: a payout. The show grants him no redemption; it makes him the reminder that this family was already in trouble before a monster got involved.

It is also in this episode that the police chief finally tells her what he knows: the body was a fake. From that point on, those two stop working each on their own side.

The detail that killsLonnie has repainted the living room and made the wall of letters disappear. All season long, ordinary adults erase the evidence without even meaning to.

Nancy crosses over

The last part belongs to Nancy and Jonathan. Following the tracks found in the woods, they come across a wounded deer, then the body dragged away by something. Following the trail, Nancy finds a split tree trunk, an organic opening, and puts her head through it. Then her whole body.

On the other side she sees the gray set, the ash hanging in the air, and the creature, bent over the carcass. The scene is filmed with almost no music, camera on the shoulder, and ends with a panicked return through the same hole. It is the first time a living character crosses over and comes back.

  • The deerthe creature hunts, it does not just take children away
  • The split trunkthe gates are not clean doors: they are tears
  • The crossingNancy goes through on purpose, the first in the show
  • The returnshe comes back from it, which proves the trip works both ways

The figure of the first season creature.

Upside Down tree Stranger Things to buildIn the shopUpside Down tree to build140,90 €See the product

Why this episode matters so much

Because it turns a mystery series into a science fiction series without losing any of its credibility. The teacher's lesson gives the viewer a simple mental model, and the show will stick to it for five seasons: a world pressed against ours, passages, and things that travel through them.

It also sets up the most durable motif of the season: the kids understand before the adults, not because they are smarter, but because they accept the implausible explanation. The police chief takes five episodes to see the wall with his own eyes; the boys had deduced it with a clothesline.

Details and references

The title takes up the image from the science lesson, and it is one of the rare episodes of the show whose title points to an idea rather than a character or a place. The teacher's device — the rope, the acrobat, the flea — is a classic popularization of extra dimensions, adapted for a middle school audience.

Another detail: this episode contains the longest stretch of the season with no creature on screen. The show holds forty minutes on compasses, a funeral, a kids' argument and a break-in, before tipping everything over in the last ten minutes.

The episode fact sheet

Fifth of the eight episodes of the first season, released all at once on July 15, 2016.

Fact sheet Detail
English title Chapter Five: The Flea and the Acrobat
Original title Chapter Five: The Flea and the Acrobat
Runtime 52 minutes
Direction Matt and Ross Duffer
Screenplay Alison Tatlock
Position Episode 5 of 8

Frequently asked questions

What happens in season 1, episode 5?

Mr. Clarke explains the parallel dimension with the image of the flea and the acrobat, the boys look for the gate with compasses, the police chief gets inside the lab, and Nancy crosses over through a tree trunk.

What are the flea and the acrobat?

A popularization: on a rope, an acrobat can only go forward or backward, a flea can go underneath and all around. Our world is the rope, the other dimension is everything that surrounds it.

Why do the compasses go wild?

Because the boys assume that a gate between two worlds produces a magnetic field. That is their method for locating it — until Eleven skews the readings to protect them.

Why does the group argue?

Because Lucas works out that Eleven deflected the compasses on purpose. The party splits up for the first time, and the falling-out lasts until the next episode.

How does Nancy get into the other world?

Through an organic opening in a tree trunk, found by following the trail of a wounded deer. She crosses over on purpose, sees the creature, and comes back through the same passage.

What is the French title of episode 5?

“Chapitre Cinq : La Puce et l'acrobate”, the French rendering of “Chapter Five: The Flea and the Acrobat”, a reference to the science teacher's lesson.

How long is episode 5?

About 52 minutes. It is also the episode that goes longest without showing the creature, right up to the last ten minutes.

What does the police chief find in the lab?

A living wall guarded at the bottom of the complex, proof that the building is not an energy research center. He is spotted, restrained, and taken home with no evidence.

Read next

Back to blog