22-year-old sports scientist Megan dreams of becoming a firewoman on the Ffestiniog and Welsh Highlands Railway under the tutelage of 80-year-old Cedric as they fire up NG143 for the 25 mile run from Caernarfon to Porthmadog.
Ffestiniog and Welsh Highlands Railway manager Stephen Greig is trying to ensure that everything goes to plan ahead of the grand opening of the new station at Caernarfon.
At South Devon Railway, engineer Ray Lee is working to bring a locomotive back in to service. There is a visit to the SS Kingswear paddle steamer In Dartmouth, the oldest vessel of its kind.
On the Welsh Highland Railway, trainee Claire Oates takes her driving test, while chef Alex and manager Michelle prepare a dinner for 130 people on the East Lancashire railway.
At the East Lancashire Railway, the annual Race the Train event gets under way - with athletes of all abilities taking on the 11-mile course from Bury to Rawtenstall.
In this edition we meet the oldest volunteer on the Welsh Highland Railway, fireman 80-year-old Cedric Lodge, who has worked on the railways for 60 years. In Devon, there is a look at the Autotrain.
Scott Manley from the Great Central Railway takes a rainy, busman's holiday working as a guard at Bury. In Wales, a team of volunteers try to keep the railway line clear of overgrown plants.
At the South Devon Railway, Andy Leech and Liz Turner host afternoon tea for 44 passengers. In East Lancashire, volunteer Chandra Law takes on the new role of Stationmaster.
The Ffestiniog and Welsh Highland Railway are celebrating their annual Victorian Weekend. In south Devon, silver service waiter Andy Leech runs the three-course Sunday lunch.
On the Welsh Highland Railway, a newly built Pullman carriage is on its way to Caenarfon Station. A saddle tank locomotive is being completely restored on the East Lancashire Railway.