Pan finds an illegal brain shop to uncover how the recordings have changed her.

An environmental thriller starring Pearl Mackie, Tanya Moodie and Pippa Haywood.

Theme music by Bonobo.

Written by Timothy X Atack.

Director: Becky Ripley

Each 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 to go with Episode 2. A full playout of the chorus of frogs that Pan plays to the Interlocutor. Frogs from across the world: burping, croaking, mating. 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 to go with Episode 2. Musician Cosmo Sheldrake on how human noise pollution and climate change is impacting animals' ability to communicate through sound. Produced by Eliza Lomas and Becky Ripley.

You can take part in our Forest 404 Experiment to see how you respond to natural sounds at: bbc.co.uk/forest

#Forest404

Pan goes on the run from Daria and The Hands to find answers deep down in Fumetown.

An environmental thriller starring Pearl Mackie, Tanya Moodie and Pippa Haywood.

Theme music by Bonobo.

Written by Timothy X Atack.

Director: Becky Ripley

Each 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 to go with Episode 1. A full playout of the Sumatran rainforest recording that Pan finds. Whistling thrush, cicadas, howler monkeys. Flies buzz the microphone. Headphones are best. With sound design by Graham Wild and Becky Ripley.

And you can take part in our Forest 404 Experiment to see how you respond to natural sounds at: bbc.co.uk/forest

#Forest404

A talk to go with Episode 1. Alex Smalley on the physical and mental health effects of spending time in nature. Produced by Eliza Lomas and Becky Ripley. And you can take part in our Forest 404 Experiment to see how you respond to natural sounds at: bbc.co.uk/forest

#Forest404

When Pan finds a 21st-century recording of a rainforest, she has no idea what it is…

An environmental thriller starring Pearl Mackie, Tanya Moodie and Pippa Haywood.

Theme music by Bonobo.

Written by Timothy X Atack.

Director: Becky Ripley

Each 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

Can you feel loss for something you’ve never known? An environmental thriller starring Pearl Mackie, Tanya Moodie & Pippa Haywood. With theme music by

Each episode comes with its own talk and soundscape. Plus, you can take part in our interactive experiment to see how you respond to sounds of nature at:

#Forest404