The Blu-ray features the first five stories of the fourth Doctor, including The Ark in Space and Genesis of the Daleks. The Doctor is accompanied by Sarah Jane Smith (Elisabeth Sladen) and Harry Sullivan (Ian Marter) and was first broadcast between December 1974 and May 1975. The set included a new interview with Tom Baker as well as several brand new features.
The charts are compiled by Official Charts based on sales across the seven day period from 1st - 7th July 2018. Doctor Who was only beaten in sales by the Marvel Film Black Panther.