Simon Spencer (born 26 June 1959 in Clacton-on-Sea) was the producer and showrunner for Thomas & Friends from 2003 until 2008. He replaced Phil Fehrle when HiT Entertainment began producing the show. He also wrote six episodes for the show and served as a creative producer for The Birthday Express.
Thomas & Friends:What's So Funny Daisy? Series #3 Episode #12
Daisy & Mavis has a Funny joke that's making them laugh a lot! Do you think they'll tell us what it is? What's so funny? That is the question as Thomas, Daisy, & Mavis to get silly.