We live forever, barring accidents. Just like everyone else in the universe. The Doctor travels back to the Ancient Days, an era where life flourishes and death is barely known... They judge each and every species and decree its allotted time to live. For the first time, living things know the fear ...

We live forever, barring accidents. Just like everyone else in the universe. The Doctor travels back to the Ancient Days, an era where life flourishes and death is barely known... They judge each and every species and decree its allotted time to live. For the first time, living things know the fear of ending.