Thomas & Friends: Three Steam Engines Gruff/Marion and the Dinosaurs/No Snow For Thomas/Engine of the Future/Samson at Your Service/Bill Or Ben?

Percy thinks there is a troll living under the bridge when he hears a spooky noise coming from underneath it.../Marion has been digging along the mainline and is spending the night sleeping on a siding./Emily is sent out to clear the tracks on a snowy day; When she has so much fun that Thomas wants to join in he cannot find his snow plough./Hugo's one of the fastest and most unusual engines ever to arrive on Sodor so Stephen declares him the engine of the future./The first time Samson came to Sodor he got lost. But Samson is a very proud engine and he doesn't like to admit his mistakes./Connor is a new engine to the island of Sodor so when Bill and Ben see him for the first time they decide to play a trick on him and pretend to be able to go faster than him.