Part ElevenSeries Episode Number: 650
World Premiere: Sat 15 Nov 1986 - 5:46pm GMT [BBC One] (United Kingdom)
First Broadcast: Tue 16 Jun 2015 - 8:00pm EDT [Retro TV]
Running Time: 24 minutes 7 seconds
5.30 Million (UK)Appreciation Index: 69 (UK)
Chart Position: 86 () (UK)
The Commadore loses command of his ship as Bruchner takes over the bridge, intending to send the Hyperion III into the black hole of Tartarus to destroy the Vervoids forever.