Season 1

Episode Title	Date of Transmission	Archival Status
The Wrong End of Time	28/09/1970-02/11/1970	Exists [B&W only]
The Time of the Ice Box	09/11/1970-07/11/1970	Exists [Eps 1-5 B&W only]
The Year of the Burn Up	21/11/1970-25/01/1971	Exists [Eps 1-6 B&W only]

Notes
Parts 7 and 8 of 'Year of the Burn Up' and all of the fourth serial except episode 6, 'Day of the Clone' were filmed in black and white due to industrial action and are, consequently, held in their correct format in the archives.

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