Part OneSeries Episode Number: 522
World Premiere: Sat 22 Dec 1979 - 6:11pm GMT [BBC One] (United Kingdom)
First Broadcast: Sun 8 Nov 1981 - 11:00pm CST [WTTW 11 Chicago]
Running Time: 25 minutes 41 seconds
6.00 Million (UK)
Chart Position: 100 () (UK)
With the TARDIS disabled for repairs, the Doctor is powerless to act when Romana is kidnapped by a battleship en route to Skonnos and the formidable Nimon.