Thomas & Friends S19E11 - The Beast of Sodor

Spencer has to stay on Sodor for a while as the Vicarstown Bridge has been blocked. One night, he tells everyone he saved the Duke and Duchess from an abominable snowman, worrying Henry. The next morning, Spencer has to work with Henry. Spencer seizes this opportunity to tease him about an abominable snowman which causes Henry to become paranoid about meeting one.