'Thomas' will be hauling trains on the Keighley & Worth Valley Railway this weekend.
And famous friends of the children's favourite will be at locations along the five-mile line.
The Thin Controller will be joined by Percy, Diesel and the Troublesome Trucks in a live steam show at Keighley.
Meanwhile the Fat Controller - Sir Topham Hatt - will be at Oxenhope, where there will also be a 'Thomas' story-telling show.
Other attractions at stations during the weekend will include face painting, magic shows, children's entertainers and side shows.
Tickets are £10 for adults and £5 for children, giving unlimited travel on all trains and access to all shows.
For details phone 01535 645214.
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