A track circuit failure closes a platform which is used by high-speed trains, British Transport Police are out in force as rival Oxford and Millwall fans use the network, and a young man is seen on CCTV walking close to the edge of the platform.

Paddington's managers debate whether to close the station completely due to storms, something that has happened on very few occasions since world war II. There is excitement among staff as Prince Harry and Meghan Markle board a train to Cardiff.

Swindon control jump into action when an unexpected WWII bomb is found near the line in Teignmouth, transport police seek a world with a man who jumped onto the track to get something, and team leader Matyn reveals the cost of cleaning up graffiti.

The trains to the Cheltenham Races are standing room only, even in first class. Potential flooding at Cowley Bridge could cut off all of Devon from the networ. Emma uses thermal imaging to inspect the lines for defects from a helicopter.

Lost power between Didcot and Paddington causes problems. A truck strikes a railway bridge. A woman has a cardiac arrest at a ticket barrier. In the wake of the Salisbury nerve agent scare, containers of a unknown chemical found on board a train.

The Queen arrives at Paddington on board one of GWR's new Intercity Express Trains, commemorating a trip made by her forebear Queen Victoria. At Reading station, Revenue Protection Officer Lyn has to call for back up when a fare dodger makes a run for it.

At Paddington, there's a fire alert as smoke is seen smouldering on the tracks outside the station. In Tiverton, a mile-long stretch of the track on the busy mainline needs to be replaced, but the weather begins to turn.

This week at Paddington, a high speed train comes to an abrupt halt in the station as there are fears it's collided with something on the track.

Staff prepare for a VIP visitor, who turns out to be Prince Harry, while a buckled rail is threatening to disrupt the timetable at Route Control in Swindon. A failed freight train requires a rescue locomotive as delays and cancellations stack up.

Signal problems lead to a restricted service during rush hour, which causes severe congestion at the station and the same equipment causes more grief 24 hours later - leading to the complete suspension of the line. Jonny and his team of engineers are replacing a 60ft section of rail as one of the clamps holding it in place has weakened, but they have just four hours to complete the complex task before the morning rush begins.

British Transport Police chase down a mysterious trespasser known as Spiderman. The Great Western Railway's top brass holds a naming ceremony for a new electric train, but the new route requires demolishing a 120-year-old footbridge in only 72 hours.

Huge delays occur after a man is hit by a train at Southall, and more chaos occurs when the power out on track is accidentally switched off. Meanwhile, hundreds of train enthusiasts descend on Paddington to see the world famous Flying Scotsman.

The bank holiday works schedule is disrupted when a trespassers is o the line outside of London, forcing the cancellation of all trains. However, the shutdown allows the engineers onto the track to renew large sections of the rail infrastructure.

The Cheltenham Festival means up to five times the usual number of passengers use the Western Network, some of whom have had an early-morning tipple.

The one question Jonah never thought he would answer is finally resolved: did his marriage to Megan ever amount to anything more than a lie? And is the truth enough to lay his grief to rest?

Transport Police are called after a passenger urinates in a carriage on a train pulling into the station, a low bridge has to be assessed after it is hit by van, and a train's brakes fail in Reading causing widespread delays.

The British Transport Police mount a operation to stop criminals who are running drugs out of the capital. Also, a crack has been discovered on a rail joint at Acton East and at Paddington, a passenger has fallen between the train and the platform.

Weekend works at Acton have overrun, tying up the fast line out of Paddington. Also, a lorry rips the safty barrier off a level crossing as it rubs the lighrs, nd the flying banana trails the rails for defects.

A nasty surprise awaits engineers as they discover rotten wooden sleepers that disintegrate under foot. Even veteran train staff are shocked by the reason the 15:00 to Bristol has come to a halt - A driver tried to start the train from the wrong end.

Life at one of the UK's busiest transport hubs. Staff at Paddington are given a moment's notice before the arrival of the prime minister.

The real-life crime series has unprecedented access to a covert surveillance operation, which culminates in 10 simultaneous armed dawn raids against organised crime gangs.

Maintenance work is underway on England's longest railway tunnel, as the Victorian infrastructure is adapted to support today's large freight trains. They begin the task of lowering the rail bed and bringing the tracks into the centre of the tunnel.