Forest 404

BBC Radio 4

28 episodes listed below

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A future haunted by forgotten nature.

The gist

Forest 404 follows Pan through a future city built on lost nature, damaged memories, and dangerous old sounds. Its drama is paired with factual talks and soundscapes about forests, circadian rhythms, human extinction, and emotional responses to nature.

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About Forest 404

Forest 404 is a scripted science-fiction audio drama built around a world that has misplaced nature and cannot stop feeling the absence. Its future is busy, synthetic, and bureaucratic, with brain ports, memory loops, convocation authority, maintenance shafts, smart suits, and cities above older ruins. Then old sounds break through. Birds, forests, whales, and other fragments of the slow world do not arrive as nostalgia; they arrive like infection, evidence, and grief. Pan's journey moves through danger rather than exposition. She is hunted, wounded, judged, and forced into arguments about what counts as life, memory, intelligence, and progress. Thea brings the older human world into view with a bruised, funny, unsentimental voice. Daria's pursuit keeps the story pressed against power, order, and the language of civilization. The show is quick on its feet. It can stage a chase down thirty-five levels, then pivot into a conversation about vinyl records as a way of sending sound into the future. It can make a memory chip feel like both evidence and a death sentence. The humor is dry, often arriving exactly where a cleaner drama would stay solemn. That tension is the point. Forest 404 treats ecological loss as physical, emotional, and political, not as background scenery. Its companion talks widen the frame without flattening the fiction. A talk on circadian rhythms links Fume Town's darkness to real biological clocks, light cycles, genes, and the body's need for day and night. A closing love letter to the forest turns soil, fungi, bacteria, birds, breath, and storytelling into one connected system. The soundscape episodes matter too. They are not decorative extras; they are part of the show's experiment with how bodies respond to nature sounds. Bonobo's theme, whale song, rainforest recordings, and other textures give the drama an acoustic memory of what its world has lost. Forest 404 is for listeners who want fiction that moves fast but leaves residue. It is a thriller, an ecological elegy, and a strange argument with the future, all at once.

Made for: For listeners who like scripted sci-fi, ecological thrillers, ambitious sound design, and fiction that carries real science under the surface. It especially fits anyone drawn to stories about memory, artificial intelligence, extinction, and the emotional pull of the natural world.

What sets it apart: Forest 404 pairs a serialized drama with companion talks and soundscapes, so its imagined future keeps brushing against real biology, forests, sleep cycles, and nature-sound research. Few fiction podcasts make sound itself feel this central to the plot.

In their own words

Can you feel loss for something you've never known? An environmental thriller starring Pearl Mackie, Tanya Moodie and Pippa Haywood. With theme music by Bonobo. Written by Timothy X Atack and directed by Becky Ripley. Each episode comes with its own talk and soundscape. Plus, take part in The Forest 404 Experiment to see how you respond to sounds of nature.

Why you'd press play

A memory chip, an oil lake and recorded birds turn your headphone time into ecological vertigo.

Press play if you want

  • a serialized chase where memories outlive bodies and nature sounds behave like contraband
  • robot arguments about whether feelings count, with enough bite to keep your sympathies moving
Read the full recommendation in PlayNext →
lost natural soundsmemory chips and recorded livesartificial intelligence and identityforests and ecological losscircadian rhythms and darknessfuture cities and underground ruinshuman extinctionnature sound experiments

Talks about

Best episodes of Forest 404

Short reviews from the PlayNext desk, based on the episodes we processed.

Ep6: A New LeafMay 9, 2019

A tense sci-fi meditation on death, memory, and who gets to inherit the future.

Forest 404 Episode 6, A New Leaf, treats death and memory as a calm technical problem before opening into a sharper argument about records, artificial minds, and what should carry the future.

Ep5: Last Days of the Slow WorldMay 2, 2019

A dying woman's memories turn a climate-shifted world and social control into something brittle, human, and sharp.

Forest 404's fifth episode turns a dying-room conversation into a bleak, oddly intimate look at a future where only a few places are still livable, most people have gone north, and an algorithm has grown out of shared pressure.

Ep4: Of Earthly DelightsApr 25, 2019

A tense descent where the map matters as much as the mood.

Forest 404 leans into pressure more than explanation. Pan, Guggenhammer, and the hands keep driving downward through the sub-city after the entrance to Guggie's brain amendments is destroyed, with a virus suspicion and those intense, unstoppable noises hanging over the whole…

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Episodes

  1. 1

    S9: Bonobo’s Theme

    May 30, 2019·26m
  2. 2

    T9: Love Letter to the Forest...

    May 30, 2019·26m
  3. 3

    Ep9: Enigmata

    Pan recalls five seconds of direct contact with Daria revealing Thea's memories, including extinct animals, horses, and the slow world.

    May 30, 2019·26m·1 clip
  4. 4

    T8: How will humans die out?

    May 23, 2019·10m
  5. 5

    Ep8: Future Conditional

    May 23, 2019·20m
  6. 6

    S8: The Memory Transfer

    May 23, 2019·4m
  7. 7

    Ep7: Dreams of the Autopilot

    May 16, 2019·18m
  8. 8

    T7: Would you vote for an AI government?

    May 16, 2019·7m
  9. 9

    S7: Daria’s Nightmare

    May 16, 2019·5m
  10. 10

    T6: What is death in the digital age?

    May 9, 2019·7m
  11. 11

    S6: Pan’s Dwindling

    May 9, 2019·5m
  12. 12

    Ep6: A New Leaf

    In episode 6 of Forest 404, Pan wakes after her near-death experience, patched up by Thea — an AI with a murky past.

    May 9, 2019·22m·1 clip
  13. 13

    Ep5: Last Days of the Slow World

    Episode 5 of Forest 404 is told entirely from the perspective of Thea, a woman born in 2022 who has survived for over 300 years and is now the last human alive.

    May 2, 2019·24m·2 clips
  14. 14

    S5: Theia's Hometown

    May 2, 2019·5m
  15. 15

    T5: Will we all become cyborgs?

    May 2, 2019·8m
  16. 16

    T4: Why do trees live so long?

    Apr 25, 2019·6m
  17. 17

    S4: Woodland Walk

    Apr 25, 2019·5m
  18. 18

    Ep4: Of Earthly Delights

    In episode 4 of Forest 404, Pan descends through the layers of the undercity with her guide Guggenhammer, seeking Thea — reputedly the oldest person alive — in the ruins of the old world below the toxic oil lake.

    Apr 25, 2019·24m·2 clips
  19. 19

    S3: Whale Songs

    Apr 18, 2019·6m
  20. 20

    Ep3: Into the Inner

    Apr 18, 2019·19m
  21. 21

    T3: Could I live in darkness?

    This pod talk explores circadian rhythms with chronobiologist Herman Vinen, discussing how internal clocks evolved from cyanobacteria to humans, the role of light in synchronization, and health impacts of living in darkness, such as increased disease risk from desynchronization.

    Apr 18, 2019·8m
  22. 22

    Ep2: The Fumetown Priest

    Apr 11, 2019·21m
  23. 23

    T2: How is the sound of the world changing?

    Apr 11, 2019·6m
  24. 24

    S2: Frog Chorus

    Apr 11, 2019·7m
  25. 25

    Ep1: Life in the Fast Times

    Apr 4, 2019·23m
  26. 26

    T1: Why should I listen to trees?

    Apr 4, 2019·9m
  27. 27

    S1: Rainforest Symphony

    Apr 4, 2019·4m
  28. 28

    Ep0: Enter The Forest

    Apr 2, 2019·2m