Heathrow's heroes deal with the UK's worst winter storms. Whilst winds rage out on the airfield, and safety officer Rachel with airside Ian go into battle with bins and royal birds, inside the terminal there's a bad smell in immigration.

Border Force Kat decides whether to allow a holiday-maker arriving with little money and a confusing story into the UK. Meanwhile in Terminal 3, meticulous Customer Service Agent Mr Sho is having issues with a 400-year-old Japanese tradition.

In the coloured lanes of customs and excise, we rummage through carry-on luggage on the lookout for secret stashes. Virgin Atlantic's punctuality record is put in jeopardy by a captain's bottle of water, and there is love, actually in the air.

It's all upgrades and upper class at Heathrow as Virgin's clubhouse manager Holly showers passengers with her VIP treatment Valentine-style, while officers Terry and Dave have to deal with an unhappy upgraded passenger.

At Britain's busiest border, officers Kat and Tracy help a student from India who's arrived with no fixed abode, while on the airfield, Airside Ian is ducking and diving on the runway. Terminal 4 welcomes an exuberant new ambassador.

At Heathrow's Terminal Four, new airline on the block Vietnam Airlines are battling baggage woes in the lead up to the holiday period. Rookie engineer Mo comes up with an ingenious solution to ensure no-one is stranded abroad without their luggage.

It's all smells at Heathrow's Terminal 3 with a new restaurant, and Border Force dog Jessie sniffing out thousands of pounds. Meanwhile, Airside Ian is ramping up his crow impersonations, and Demi prevents a cardiologist having a heart attack.

There's something smelly in Cargo that Border Force have to get to the bottom of. Passenger Experience Manager Harry rushes to a gate that's had its door smashed in and King of Terminal 2 Demi has 700 passengers descend on him - one being a pop star.

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.

Flying for the last time out of Heathrow is the iconic Boeing 747, with plane spotters around the world hoping to bid it a fond farewell. Inside the terminal, it's hello to some new rather robotic members of staff.

Christmas is approaching and there's a new kid on the block: British airline, Domestic Carrier Eastern Airways. They're excited to be joining the big names at Heathrow, but one of their busiest flights is scuppered by yet more bad news.

Spring is about to be sprung and Heathrow is readying itself for a flurry of passengers as it's announced that holiday makers can travel to 12 new countries.

Britain is on the cusp of holiday season and Heathrow is revving up for passengers from all over the globe. We meet a new member of the Passenger Experience Manager Team: Suki.

Passenger numbers may be down by 77 per cent but deciphering the protocols of all 206 countries that Heathrow fly to is more complicated than navigating Spaghetti Junction in rush hour. Joel leads the charge in trying to reduce passenger stress.

One passenger who has changed planes in a red country is adamantly refusing to comply with the quarantine rules, and it's not just human passengers who are forced to have a stopover.

An inbound passenger has an entourage of armed officers waiting for him. As the police blue-light it to the gate, they manage to slip past Airside Rachel's inspection station.

Although there may be fewer passengers disrupted by the visit, it's still a huge deal logistically that Heathrow will be welcoming the President of the United States.

Well over a year into the global pandemic and Heathrow finally has something to celebrate - Terminal 3 is re-opening its doors to the public with 11 Virgin flights set to take to the skies.

This year is Heathrow's 75th birthday and as it continues to get back on its feet the time has come to open up the last of its closed terminals - Terminal 4.

It's the height of summer. Temperatures at Heathrow have reached a sweat-inducing 32.2C - and the planet is on course for the hottest year in history. The airport is tackling climate change head on, and for Airside Ian, that means a new motor.

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.

Storm Eunice wreaks havoc at Heathrow airport, as staff deal with a deluge of delays and unhappy passengers, and also try to deter debris from hitting the runway.

Boarding passes ready as police mount a special operation across the airport. Plus, a five-star airline tries to make a comeback with its business class, and we go out with the new recruits of the grass cutting team.

Police detain a passenger whose bag is suspected to contain three firearms. Virgin has a rootin' tootin' launch party for their new route to the live music capital of the world - Austin, Texas.

Holidays are put on hold as it's the Queen's Jubilee and Heathrow is entertaining a 72-military aircraft flyby 5,500 feet above its runway, and passengers waiting for flights have a ringside view.