Release Message:  The Shalka worms are conditioned to control humans, which means the Doctor (Richard E. Grant) needs a human mind at the centre of the network to stop them.

Description:  A flash-animated series based on the British science fiction television series Doctor Who. It was produced to coincide with the 40th Anniversary of the series and was originally posted in six weekly parts from 13 November to 18 December 2003 on bbc.co.uk's Doctor Who website.