On the planet Kembel, Marc Cory, a Space Security Service agent, discovers that the Daleks are attending a secret meeting with their allies. Students at the University of Central Lancashire recreated the lost episode with the involvement of Peter Purves, Edward de Souza and Nicholas Briggs in 2019. The episode premiered on the Doctor Who YouTube channel at 5:45pm BST on 9 October, exactly 54 years after it first aired. (thetvdb.com)