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?
This episode takes place in London in 1889. See more
A boom mic is visible when Weng-Chiang strangles Jago. See more
"Eureka" is Greek for "This bath is too hot."