The Daleks invade Earth, the Doctor faces a fellow time traveller and bids farewell to Susan, Ian, and Barbara...but there’s still time to welcome Vicki and Steven to the TARDIS.
The Doctor and his friends are taken prisoner by the Mechonoids. There they meet fellow prisoner, Steven Taylor. The Daleks break into the Mechonoid city and a battle commences.
S1E6 26 min