Two jon pertwee adventures involving one of the doctor’s greatest nemeses. Two six part stories are included frontier in space which marked roger delgado's final appearance in the role of the master and planet of the daleks, which boasts a colour restored version of the previously lost third episode. In 'frontier in space', the doctor and jo katy manning are caught up in the tensions between the earth and draconian empires in a 26th century interplanetary war. In 'planet of the daleks', the doctor lands the tardis on the dangerous planet spiridon, home to a terrifying army of daleks.