Doctor Who: Galaxy 4 S00 E07 The Trouble With the Chumblies - Making Galaxy 4

Toby Hadoke visits actors Peter Purves to discuss the serial with contributions from actors Maureen O'Brien, and Lyn Ashley, vision mixer Clive Doig, special sound designer Brian Hodgson and Mike Pinefield, son of the serial's original director Mervin Pinfield. Other contributions include writer William Emms, designer Richard Hunt, and Derek Martinus.