Weng-Chiang has stolen Professor Litefoot's cabinet but is not pleased when his men leave the key behind and later cannot find it. Leela and the Doctor go off to find the missing key while Jago and the professor follow Weng-Chiang's men and find themselves in the den of the scorpion. Written by
Did You Know?
The double-act of Jago and Litefoot worked so well that the BBC considered giving them a spinoff series. See more
A boom mic is visible when Weng-Chiang strangles Jago. See more
This pig thing is still alive. Needs an operator, of course. But the mental feedback is so intense that somehow the swinish instinct has become dominant. It hates humanity, and it revels in carnage.