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Doctor Who· Season 20 · Episode 1

Arc of Infinity, Part One

S20E01·8.9·January 4, 1983·25m·BBC One

On Gallifrey, someone commits a treasonous act and transmits the Doctor's bio-extract from The Matrix to a unknown being. Meanwhile on Earth, two students spend the night in a underground crypt in Amsterdam and are attacked by a alien creature.

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#15In Season 20of 22 rated episodes
#211All-timeof 700 rated episodes
−0.1vs season avgSeason 20 averages 9.0
1983First airedJanuary 4, 1983

Guest stars

John D. CollinsJohn D. Collinsas Steven Taylor
Neil Daglishas Damon
Leonard SachsLeonard Sachsas Lord President Borusa
Paul JerricoPaul Jerricoas The Castellan
Elspet GrayElspet Grayas Chancellor Thalia
Max Harveyas Cardinal Zorac
Andrew Boxeras Robin Stuart
Alastair G. CummingAlastair G. Cummingas Colin Frazer
Malcolm Harveyas The Ergon
Colin BakerColin Bakeras Commander Maxil
Michael GoughMichael Goughas Councilor Hedin
Ian Collieras The Renegade (voice)
Maya WoolfeMaya Woolfeas Hostel Receptionist
Colin Thomasas Timelord

Crew

Johnny ByrneWriter

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