Mavis
S3, E14: Sodor welcomes Mavis, a young diesel engine who works at the Quarry. She causes Toby a lot of trouble, because she still has much to learn about trucks.
S3, E14: Sodor welcomes Mavis, a young diesel engine who works at the Quarry. She causes Toby a lot of trouble, because she still has much to learn about trucks.