Operation Cloud Lab: Secrets of the Skies (Documentary, English)
Status: Ended
Premiered: 2014-07-16
Ended: 2014-07-23
Network: BBC Two
Country: GB
Airs on: Wednesday
Air time: 20:00
Runtime: 60 minutes
A team of scientists take to the skies in one of the world's largest airships, for a unique exploration of Earth's most precious and mysterious environment - the atmosphere.