The Darkness Experiment
- Episode aired Jun 25, 2019
- 59m
When the Doctor receives a call for help from the Ood Circle, she is thrown into an adventure that reveals devious parties are at work.When the Doctor receives a call for help from the Ood Circle, she is thrown into an adventure that reveals devious parties are at work.When the Doctor receives a call for help from the Ood Circle, she is thrown into an adventure that reveals devious parties are at work.