Ultimate Airport Dubai: Episode 10 At the world's busiest international hub, Customs Officer Hassan catches a smuggler hiding 2,000 tiny bottles of illegal prescription medication. For a third season Nat Geo TV has been granted unprecedented access to one of the busiest global hubs on the planet and the home of Emirates, one of the world’s largest airlines: Dubai International Airport. Step inside to see the 90,000 staff responsible for over 70 million passengers on 350,000 flights a year tackle illegal smugglers, angry passengers and huge engineering projects.