Doctor Who (1963)

S4E43 The Evil of the Daleks (7)

The Daleks are set to unleash the Dalek Factor across Earth's timeline, starting with the Doctor himself as their first target for implantation. Their sinister plan involves manipulating history by taking control of the Time Lord, posing a grave threat to the fabric of time itself. As they execute their scheme, the Doctor must confront the imminent danger that could alter the course of humanity forever, battling not only the Daleks but also the darkness that lurks within him.