Release Message:  The Fendahl and its Fendahleen components start coming into existence while the Doctor (Tom Baker), Leela and the Tylers do what they can to stop it.

Description:  With one of the archaeologists transformed and a massive implosion threatening, the Fendahl and its Fendahleen components start coming into existence while the Doctor, Leela and the Tylers do what they can to stop it.