Day of the Daleks

When a future guerilla attempts to assassinate a delegate to a Peace Conference, the Doctor, Jo and UNIT must investigate.

The Dæmons

The Doctor and Jo, joined eventually by the Brigadier and UNIT, in Devil’s End, where a mysterious Vicar is trying to summon the Devil.

The Time Lords enlist the help of the exiled Doctor to prevent the Master getting his hands on the Doomsday Weapon.