Every day 100,000 flights criss-cross the globe with more than 1 million people in the air at any one time. Dallas Campbell and Dr Hannah Fry explore the world of aviation. Ep 1: What does it take to get a million people and their luggage off the ground? From building the world's largest passenger plane to taking off in the coldest city on Earth this first edition tells the remarkable story of departures.

Originally released by PBS, 2017. Streaming video file encoded with permission for digital streaming by Infobase on June 01, 2018.

Introduction— City in the Sky: Part 1- Departure (2:51); --Hartsfield-Jackson Airport (7:31); -- Dubai Airport (8:18); -- Airbus A380 (8:18); -- Jet Fuel (8:38); -- In-Flight Catering (5:29); -- Yakutsk, Siberia (6:22); -- Initial Take Off (4:29); .