Episode: 1x01 | Airdate: Jul 16, 2014
Two-part documentary following a team of scientists as they explore the earth's atmosphere, travelling in an airship. The expedition begins with an examination of clouds.
Episode: 1x02 | Airdate: Jul 23, 2014
Continuing their journey across the USA in one of the world's largest airships, the scientists explore how the atmosphere changes with altitude.