Call The Midwife creator Heidi Thomas talks to Front Row about writing the drama's Christmas special, Nick Park and Merlin Crossingham discuss co-directing the new Wallace & Gromit film, Vengeance Most Fowl, and ahead of the Royal College of Organists' new initiative - Play The Organ 2025 - organists David Pipe and Claire M Singer join Nick to discuss updating perceptions of the "king of instruments".

Presenter: Nick Ahad