David Attenborough fronts this single-hour special that peers into the chemical trickery that lets organisms manufacture their own light. Shot across four continents and two oceans, the film records previously invisible phenomena, from firefly courtship codes in a North American meadow to the Milky Seas, a sailor’s legend now captured in satellite data off the Horn of Africa.
A home-made ultra-sensitive camera, cooled to minus two hundred degrees, supplies the signature sequence: vampire squid drifting through black water while their arm tips pulse like glow-sticks, dragonfish flashing red beams invisible to prey, and the cock-eyed squid with one eye permanently tilted upward to monitor its own bioluminescent silhouette. Time-lapse mycology reveals foxfire, the ghost-green glow of honey fungus rhizomorphs threading through leaf litter in the New Forest.
The programme ends in Japan where three tonnes of firefly squid surface each spring, their spawning bodies turning Toyama Bay into a neon shoreline that local fishermen still harvest by night. No other BBC unit had succeeded in filming the entire vertical migration in one continuous sequence, so the crew spent six weeks on a research trawler waiting for the annual event that lasts barely four days.
Production Details
BBC Two / 1 Episode / 2016
Created by: Martin Dohrn
Writer(s): Martin Dohrn
Producer(s): Joe Loncraine
Main Cast
