Thomas & Friends - Season 25

Thomas finds a map to the special Crystal Locomotive landmark in the Crystal Caves and forms a Big Adventure Club to go explore. Sandy wants to come but her friends say she???s a little too small to join. Instead, Sandy recruits Diesel to go with her instead as part of her Bigger Adventure Club. In the twists and turns of the mine, the Big Adventure Club find themselves lost. Now it's up to Sandy and Diesel to find the Crystal Locomotive and bring everyone home.