Ava DuVernay talks to Francine Stock about her new pre-teen, sci-fi fantasy film A Wrinkle In Time based on the award winning novel by Madeleine L'Engle.

There's another episode of Pitch Battle and the search for a hidden figure of history who might be a suitable candidate for a bio-pic. Greg Jenner Horrible Histories writer and public historian makes the case for the celebrated Shakespearean actor Edmund Kean.

In this week's A to Z of film-makers Y is for Edward Yang and Yuen Woo-Ping. Tim Robey of The Telegraph and Scott Jordan Harris, Roger Ebert's UK correspondent discuss the work of these two iconic film makers.