PraxeusSeries Episode Number: 857
World Premiere: Sun 2 Feb 2020 - 7:11pm GMT [BBC One] (United Kingdom)
First Broadcast: Sun 2 Feb 2020 - 8:00pm EST [BBC America]
Running Time: 49 minutes 52 seconds
5.22 Million (UK)Appreciation Index: 78 (UK)
Audience Share: 23.5% (UK)
Chart Position: 28 (BARB Week (Four Screen)) (UK)
What connects a missing astronaut in the Indian Ocean, birds behaving strangely in Peru and a US naval officer who washes up on a Madagascan beach? Team Tardis investigate.