Thomas & Friends (previously known as Thomas the Tank Engine & Friends) is a children's television series about the engines and other characters working on the railways of the Island of Sodor, and is based on The Railway Series books written by the Rev. W. Awdry. This article lists and details episodes from the thirteenth series of the show, which was first broadcast in 2010. This series was narrated by Michael Angelis for the U.K.audiences, although Michael Brandon narrates the episodes for the U.S. audiences. Mark Moraghan later re-narrated "Snow Tracks" for the Santa's Little Engine DVD.