Many GitHub repositories and Telegram channels aggregate "Live TV M3U8" lists. You will find files named uk_bbc.m3u or bbc_earth.m3u8 .

yt-dlp -g "https://www.bbc.co.uk/iplayer/episode/..." --allow-unplayable-formats

The bioluminescence of the deep-sea anglerfish flickered on the screen, a ghostly neon pulse against the crushing black of the midnight zone. For Elias, a researcher stationed at a remote Arctic outpost, this wasn’t just a nature documentary—it was a lifeline.

If you want to save the stream rather than watch it live:

BBC Earth streams use multiple bitrates. Inside the master M3U8 file, there are links to different "variants":