According to BARB, part one of the story had 0.98 million watching with part two getting 0.68 million viewers, slightly down on the previous week.
The Alien Files had 0.48 million watching.
Lost in Time was repeated later in the week on BBC One and figures for these showings will be available later this month.
|Final Ratings - Series Four|
|-||-CBBC-||-BBC Two-||-BBC One-||-Total-|
|The Nightmare Man - 1||0.59m||0.28m||0.87m|
|The Nightmare Man - 2||0.67m||0.38m||1.05m|
|The Vault of Secrets - 1||0.73m||0.43m||1.16m|
|The Vault of Secrets - 2||0.61m||0.49m||1.10m|
|Death of the Doctor - 1||0.92m||0.48m||1.40m|
|Death of the Doctor - 2||0.96m||0.47m||1.43m|
|The Empty Planet - 1||0.99m||0.51m||1.50m|
|The Empty Planet - 2||0.81m||0.58m||1.39m|
|Lost in Time - 1||0.98m||TBC||TBC|
|Lost in Time - 2||0.68m||TBC||TBC|