The Sirens of Time

Description

The Sirens of Time (Doctor Who)- Gallifrey is in crisis, facing destruction at the hands of an overwhelming enemy. And the Doctor is involved in three different incarnations — each caught up in a deadly adventure, scattered across time and space. The web of time is threatened — and someone wants the Doctor dead. The three incarnations of the Doctor must join to set time back on the right track — but in doing so, will they unleash a still greater threat?