Our final soundscape, a full playout of the Forest 404 theme tune, composed by Bonobo. The track samples the whistling bird from the Sumatran rainforest recording that kick-starts Pan’s journey. Headphones are best. Don’t forget to take part in our Forest 404 Experiment to see how you respond to natural sounds at: bbc.co.uk/forest #Forest404

A love letter to the forests of the world. Written by David Haskell, read by Pearl Mackie. The first forests grew 400 million years ago. Time enough for them to have listened to this world and discovered how to bring about new life. Produced by Eliza Lomas and Becky Ripley.And don’t forget to take part in our Forest 404 Experiment to see how you respond to natural sounds at: bbc.co.uk/forest#Forest404

Daria escorts Pan to The Convocation. An era has ended. Can, or should, a new one begin?An environmental thriller starring Pearl Mackie, Tanya Moodie and Pippa Haywood.Theme music by Bonobo.Written by Timothy X Atack.Director: Becky RipleyEach episode comes with its own talk and soundscape.And you can take part in our interactive experiment to see how you respond to sounds of nature at: bbc.co.uk/forest#Forest404

A soundscape for Episode 8. Theia’s half-remembered memory of her daughter humming by the sea's edge, used by Guggy for the brain transfer. Wind howls, thunder cracks, gulls call overhead. Headphones are best. With sound design by Graham Wild and Becky Ripley.Don’t forget to take part in our Forest 404 Experiment to see how you respond to natural sounds at: bbc.co.uk/forest#Forest404

A talk for episode 8, an ode to Theia. Anthropologist Michael Rivera on our evolutionary history compared to other less successful species who became extinct. Are we heading in the same direction? Produced by Eliza Lomas and Becky Ripley. Don’t forget to take part in our Forest 404 Experiment to see how you respond to natural sounds at: bbc.co.uk/forest #Forest404

Pan and Theia have a plan, but it’s a sketchy one and it’s probably going to go wrong.An environmental thriller starring Pearl Mackie, Tanya Moodie and Pippa Haywood.Theme music by Bonobo.Written by Timothy X Atack.Director: Becky RipleyEach episode comes with its own talk and soundscape.And you can take part in our interactive experiment to see how you respond to sounds of nature at: bbc.co.uk/forest#Forest404

A soundscape for Episode 7. A full playout of one of Daria’s nightmares. Flesh and feather aberrations, horrific chirruping little fluff balls laughing through tiny keratin megaphones. Headphones are best. With sound design by Graham Wild and Becky Ripley. Don’t forget to take part in our Forest 404 Experiment to see how you respond to natural sounds at: bbc.co.uk/forest#Forest404

A talk for Episode 7. Biofuturist and sci-fi writer Elsa Sotiriadis on whether AI would run the country better than us humans. Produced by Eliza Lomas and Becky Ripley. Don’t forget to take part in our Forest 404 Experiment to see how you respond to natural sounds at: bbc.co.uk/forest #Forest404

Daria has a confession to make – a secret from her past that haunts her every night.An environmental thriller starring Pearl Mackie, Tanya Moodie and Pippa Haywood.Theme music by Bonobo.Written by Timothy X Atack.Director: Becky RipleyEach episode comes with its own talk and soundscape.And you can take part in our interactive experiment to see how you respond to sounds of nature at: bbc.co.uk/forest#Forest404

A soundscape for Episode 6. A full playout of Pan’s dwindling as her system shuts down. Cicadas accelerate into oblivion, whales call from the deep, birds morph into monkeys, waves crash into white noise. Headphones are best. With sound design by Graham Wild and Becky Ripley. Don’t forget to take part in our Forest 404 Experiment to see how you respond to natural sounds at: bbc.co.uk/forest #Forest 404