As part of their tour of interesting railway locations, Mark Found and Mark Collins meet up with globetrotting funnyman and train enthusiast Michael Palin
Mark Found and Mark Collins catch a ride on the mail train's night journey from London to Plymouth
Mark Found and Mark Collins visit the Docklands Light Railway in London as part of their trainspotting journey around the UK
The Avon Valley Railway and the London Transport Museum are among the sights waiting for intrepid trainspotters Mark Collins and Mark Found
Mark Found and Mark Collins visit a freight company on their countrywide search for delights from Britain's rich railway heritage
The journey reaches the Isle of Wight, where the intrepid travellers discover rolling stock from the old London Underground
Mark Found and Mark Collins visit world-famous locomotive the Flying Scotsman as they continue their search for the interesting and obscure from Britain's rich railway heritage
An examination of vandalism and trespassing on railways, actions that pose serious problems for today's train system
Mark Found and Mark Collins visit the site of major redevelopment work at London's King's Cross and St Pancras stations on their countrywide tour of railway locations
The intrepid travellers gain an insight into the British-led technology involved in the APT tilting trains
Presenter Mark Collins gets together with heavy metal legend Bruce Dickinson of Iron Maiden at a steam train festival at the Bluebell Railway
Mark Collins visits Porthmadog in North Wales to help the Welsh Highland Railway service, which relies heavily on the contributions of volunteers
Mark Found visits Dublin to gain an insight into the heritage of Irish locomotives and railways
A visit to the notorious Lickey Incline in Worcestershire proves that even modern locomotives find the ascent hard work
Steve Power gets an insight into the classification process of Siemens locomotives at the Wildenrath test track in Germany
Examining the capabilities of the 100-ton Kirow crane at Coventry railway station
An examination into the process of constructing a modern-day passenger train at Bombardier in Derby, the only remaining manufacturers in Britain
Examining the vast technological improvements and additions - including computer-controlled cabs - to the trains of the Midland Mainline fleet
Sampling a weekend rail tour of Cornwall, where guests travel in classic diesel locomotives and enjoy silver service cuisine
An examination of the history, development and operation of the Glasgow underground system, the third oldest in Europe