Ep 3. Under The Lake

The Doctor and Clara find themselves at an underwater mining facility where strange occurrences are happening. The team at the facility has discovered an alien craft and brought back a strange artifact that seems to be causing them to hallucinate and disappear one by one. The Doctor and Clara must race against time to solve the mystery and stop the danger before it's too late. Along the way, they encounter ghosts that may or may not be real and a mysterious message from the future that may hold a key to saving them all. As the situation becomes more dire, the Doctor is forced to make some tough decisions that will impact the fate of both the facility and humanity. Will they be able to survive the haunted waters and stop the threat in time? Find out in this exciting episode of Doctor Who.