Doctor Who And The Daleks

The mysterious Doctor and his granddaughter Susan are joined by unwilling adventurers Ian Chesterton and Barbara Wright in an epic struggle in survival on an alien planet.
In a vast metal city they discover the survivors of a terrible nuclear war - the Daleks. Held captive in the deepest levels of the city, can the Doctor and his new companions stop the Daleks' plan to totally exterminate their mortal enemies, the peace-loving Thals? More importantly, even if they can escape from the Daleks, will Ian and Barbara ever see their home planet Earth again?