Overview
The Cybermen take over the base again, apparently to stop the humans using the Z-Bomb, but then the Doctor realises they intend to use it themselves to destroy Earth.
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4 - 1The Smugglers (1) September 10, 1966 -
4 - 2The Smugglers (2) September 17, 1966 -
4 - 3The Smugglers (3) September 24, 1966 -
4 - 4The Smugglers (4) October 01, 1966 -
4 - 5The Tenth Planet (1) October 08, 1966 -
4 - 6The Tenth Planet (2) October 15, 1966 -
4 - 7The Tenth Planet (3) October 22, 1966 -
4 - 8The Tenth Planet (4) October 29, 1966 -
4 - 9The Power of the Daleks (1) November 05, 1966 -
4 - 10The Power of the Daleks (2) November 12, 1966 -
4 - 11The Power of the Daleks (3) November 19, 1966 -
4 - 12The Power of the Daleks (4) November 26, 1966 -
4 - 13The Power of the Daleks (5) December 03, 1966 -
4 - 14The Power of the Daleks (6) December 10, 1966 -
4 - 15The Highlanders (1) December 17, 1966 -
4 - 16The Highlanders (2) December 24, 1966 -
4 - 17The Highlanders (3) December 31, 1966 -
4 - 18The Highlanders (4) January 07, 1967 -
4 - 19The Underwater Menace (1) January 14, 1967 -
4 - 20The Underwater Menace (2) January 21, 1967 -
4 - 21The Underwater Menace (3) January 28, 1967 -
4 - 22The Underwater Menace (4) February 04, 1967 -
4 - 23The Moonbase (1) February 11, 1967 -
4 - 24The Moonbase (2) February 18, 1967 -
4 - 25The Moonbase (3) February 25, 1967 -
4 - 26The Moonbase (4) March 04, 1967 -
4 - 27The Macra Terror (1) March 11, 1967 -
4 - 28The Macra Terror (2) March 18, 1967 -
4 - 29The Macra Terror (3) March 25, 1967 -
4 - 30The Macra Terror (4) April 01, 1967 -
4 - 31The Faceless Ones (1) April 08, 1967 -
4 - 32The Faceless Ones (2) April 15, 1967 -
4 - 33The Faceless Ones (3) April 22, 1967 -
4 - 34The Faceless Ones (4) April 29, 1967 -
4 - 35The Faceless Ones (5) May 06, 1967 -
4 - 36The Faceless Ones (6) May 13, 1967 -
4 - 37The Evil of the Daleks (1) May 20, 1967 -
4 - 38The Evil of the Daleks (2) May 27, 1967 -
4 - 39The Evil of the Daleks (3) June 03, 1967 -
4 - 40The Evil of the Daleks (4) June 10, 1967 -
4 - 41The Evil of the Daleks (5) June 17, 1967 -
4 - 42The Evil of the Daleks (6) June 24, 1967 -
4 - 43The Evil of the Daleks (7) July 01, 1967