Fair rating?Doctor Who· Season 7 · Episode 20
Inferno, Part Two
The Doctor begins to suspect that penetrating the earth's crust will create more Primords but Stahlman sabotages the computer to stop him proving it.
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#10In Season 7of 25 rated episodes
#273All-timeof 700 rated episodes
+0.0vs season avgSeason 7 averages 8.8
1970First airedMay 16, 1970
Guest stars
Christopher Benjaminas Sir Keith Gold
Derek Wareas Private Wyatt
Pat Gormanas Primord
Dave Carteras PrimordSheila Dunnas Petra Williams
Sheila Dunnas Dr. Petra Williams
Olaf Pooleyas Director StahlmanOlaf Pooleyas Professor Stahlman
Derek Newarkas Greg Sutton
David Simeonas Private Latimer
Roy Scammellas RSF SentryWalter Randallas Harry Slocum
Keith Jamesas Patterson
Philip Ryanas Primord
Crew
Douglas CamfieldDirectorDon HoughtonWriter