It's a splendid clip but no, we don't know why either. Suggestions in the comments please.
The Boy Who Turned Yellow was the last feature film made by the distinguished duo of Powell and Pressburger. It is one of three films featured on a new volume of Children's Film Foundation tales, Weird Adventures, released on DVD by the BFI on 17 June 2013.
An extract from the splendidly eccentric final collaboration of eminent filmmaking duo Michael Powell and Emeric Pressburger. One of three family films featured on the forthcoming DVD, ‘The Children's Film Foundation Collection: Weird Adventures', released by the BFI on 17 June 2013 – http://bit.ly/16lDeHV.
All titles on the BFI Films channel are preserved in the vast collections of the BFI National Archive. To find out more about the Archive visit http://www.bfi.org.uk/archive-collect…