About this programme
The shape-changing robots and their human allies face a confrontation with their original creator, who has brainwashed their leader and intends to save her own home planet by destroying Earth. To save the human race they must recover an ancient artefact from Arthurian legend - but their mission is threatened by old enemies as they uncover a terrible secret about the history of the world. Sci-fi adventure sequel, starring Mark Wahlberg, Anthony Hopkins, Gemma Chan, Stanley Tucci and John Turturro.