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 have been given shelter from the Daleks by the Aridians. But the Daleks threaten to kill the Aridians unless they hand over the time travellers.
S1E2 23 min
