TV tonight: comedian Mark O'Sullivan writes a sitcom about being sexually abused

This powerful documentary shows how he used comedy to help cope with trauma. Plus: gymnastics thriller The Gathering somersaults into its finale. Here's what to watch this evening 10pm, Channel 4"Let's make magic happen!" That's comedian Mark O'Sullivan getting to work on his autobiographical sitcom about being sexually abused by an extended family member. In this powerful documentary, he takes us through his complicated journey of using comedy to cope and making the show itself. The sitcom is a...