Apocalypse is an episode from series 13 that first aired on 16 January 1997.
The bizzare murders of opponents and ex-members of a religious cult have the team baffled. Each murder follows the Biblical plagues of Egypt which according the Book of Revelation will proceed Armageddon. There are more than fifty members of the cult, most of whom would kill if asked to do so by the cult leader, David Burns. Who is responsible and who will be next? Jardine, Reid and Fraser investigate. Fraser is held hostage by the evil cult.