2.1 - Cycle of Destruction

These tales take the Tenth Doctor, Anya Kingdom and Mark Seven deeper into family histories, aboard the strangest of space stations and to a truth that might tear them apart...

2.1 Cycle of Destruction by Roy Gill

After Mark starts behaving oddly, the Doctor and Anya find themselves on a strange planet with their friend missing. Searching for him they find their way to an isolated research base. The corridors show signs of animal incursions and the scientists are behaving strangely. But a big surprise is waiting for them.

48 out of 54 (88.9%) raters say this story requires a previous story.