Britain's Busiest Airport - Heathrow - Season 5

Inside the terminal seasoned passenger experience pro Demi dishes out deals for delayed passengers, while outside on the airfield, airside Ian is on the runway as it goes into lockdown with a full-on armed police emergency.

Tonight, Heathrow entertains drones, drugs and drunks. The airport runs at 98 per cent capacity so how will the King and Queen of Terminal 2's customer service, Demi and Sue, cope with the extra load from a closed Gatwick? Meanwhile Border Force Bob is back, doing what he does best - protecting Britain's biggest border.

Border Force Bob juggles visas with a circus performer, whilst Security Officer Estefania investigates an oddly shaped object. There's also drama in Terminal 3 for young Passenger Experience Manager Harry as he deals with a medical emergency.

This time, staff at the airport deal with the aftermath of a polar vortex. Meanwhile, officers Dave and Terry are on the hunt for a wanted man who has gone missing on a plane, and Ian and Steve battle in a snow blizzard as they attempt to keep the runways open.

Sue saves a passenger who is a musician from missing his concert. Elsewhere in the airport, there is a serious breach of security. Meanwhile, Ian goes in for a promotion.

Tonight we're back with the colourful characters of Heathrow Britain's Busiest Airport and it's as frenetic as ever.

The runway is closed. Heathrow's Starsky and Hutch cordon off a plane full of passengers, and Airside Ian turns detective.

Passenger Experience Manager Demi deals with a medical emergency involving all the emergency services, Border Force Rob returns to cross-examine unsuspecting passengers arriving into the UK, and Buggy Driver Carlo is all loved up.

Border Force officer Rob deals with cargo trying to enter the country involving frozen chicken, and there is a surprise in store for passengers flying to Heathrow's top European destination.

An arresting episode greets viewers tonight as Heathrow's boys in blue dash to the gate. Plus, Queen of Passenger Experience Sue sorts out some gents, whilst out on the airfield, Airside Ian shows off his muscles.

A series of VIPs travel through Heathrow Airport terminals. Meanwhile, a team of hockey champions try to use their gold medals to get an upgrade.

It's midnight. Airside Ian checks Heathrow's airfield lights before the onslaught of half term. Drugs Dog Cole protects the Border, while officer Estefania pushes passengers through security with a unique handling method.