Fair rating?Doctor Who· Season 20 · Episode 4
Arc of Infinity, Part Four
The Doctor having returned to Earth, finds Omega's Tardis and is not able to prevent Omega's transfer upon arrival. Omega being of anti-matter and unstable is on the verge of destroying the planet in his attempt to regain a body.
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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 12, 1983
Guest stars
Neil Daglishas Damon
Leonard Sachsas Lord President Borusa
Paul Jerricoas The CastellanIan Collieras Omega
Elspet Grayas Chancellor ThaliaMax Harveyas Cardinal Zorac
Andrew Boxeras Robin Stuart
Alastair G. Cummingas Colin FrazerMalcolm Harveyas The Ergon
Maya Woolfeas Hostel ReceptionistGuy Groenas Second Receptionist