Britain's Busiest Airport: Heathrow

This episode follows Heathrow staff racing against the clock to process thousands of passengers arriving from 84 different countries. Airside Safety Officer Glenn and his colleagues work closely with Air Traffic Control to keep Heathrow’s two runways open and clear of debris. Meanwhile, staff from the Animal Reception Centre welcome a variety of weird and wonderful animals – from pet ferrets to a wild tiger. Inside the terminals, Heathrow staff deal with passengers including a man who is stuck living at the airport after being deported from Thailand, and a family whose young relatives have got lost in Arrivals.

Heavy fog throws Heathrow into turmoil and new terminal manager Callum is faced with hundreds of angry and stranded passengers stuck overnight at the airport, while visibility has dropped to less than 100m on the airfield and safety officer Chris is forced to marshal planes. Manager Nilam reveals the secrets of one of Heathrow's most exclusive first-class lounges and dispatcher James and his team hunt around the terminal for late passengers for a flight to Pakistan.

Passenger Experience Manager Sue does her best to get a passenger to his connecting flight at Gatwick - 38 miles away.

Passenger experience manager Demi deals with some disgruntled passengers, while check-in attendants Carrie-Anne and Selina tackle broken baggage belts. Elsewhere, Border force worker Bob has to decide whether he should let a young Brazilian student into the UK to visit his brother.

King of the passenger experience, manager Demi, deals with some disgruntled passengers, check-in girls Carrie-Anne and Selina juggle love lives and baggage belts, and border force Bob questions a young Brazilian student.

It's the winter of 2019, and the airport is having its busiest year to date. This is Heathrow before lockdown, where the Aviation Police are on the front line to protect Heathrow, and officers Terry and Dave return.

With only one runway and two terminals open, Heathrow's depleted staff are fighting to keep business going. At the helm is King of Customer Service Demi, dishing out help to all those allowed to travel, including tracking down a missing passenger.

Heathrow is back in business as holidays take off. A pilot needs help from the police with a very disgruntled passenger, fire engines give a bath to a Boeing triple 7 and new airline Rwandair deals with some very charming travellers.