Kate Humble and oceanographer Helen Czerski cover 60 minutes each of Earth’s annual 940-million-kilometre lap in this March 2012 BBC Two run. They start at the Cave of Swimmers in Egypt’s Gilf Kebir plateau, where rock art hints at past monsoon cycles, then head to Arizona’s Meteor Crater to show how orbital mechanics steer space debris our way. Between shoots, Czerski stands on a Norwegian glacier to demonstrate axial tilt with a torch and globe, while Humble times a pendulum in a Paris church to reveal how the planet’s rotation warps weather systems.
Each episode locks to a leg of the voyage: July to December solstice, January to March equinox, and the final tilt that sparks the extremes of monsoon and polar vortex. Graphics pile the planet’s elliptical sprint into crisp CGI, stripping the year down to orbital geometry without losing the human scale. A Guardian notice praised the clarity but winced at the late-evening slot and the carbon bill for ferrying two presenters across continents.
Series producer Steve Crabtree packaged the shoot into a single production block for BBC Studios, releasing the DVD within three weeks of transmission. No second orbit was commissioned; the three episodes remain a standalone primer on why your next birthday technically happens 2.5 million kilometres farther round the sun.
Production Details
BBC Two / 1 Season / 3 Episodes / 2012
Main Cast
Kate Humble as Self - Presenter
Helen Czerski as Self - Presenter
