TWENTY-FIRST SEASON [The Twenty-First Season began with the Fifth Doctor] 6S. The Twin Dilemma 1. Part One 22 Mar 84 2. Part Two 23 Mar 84 3. Part Three 29 Mar 84 4. Part Four 30 Mar 84 TWENTY-SECOND SEASON 6T. Attack of the Cybermen 1. Part One (50 minutes) 5 Jan 85 2. Part Two (50 minutes) 12 Jan 85 6V. Vengence on Varos 1. Part One (50 minutes) 19 Jan 85 2. Part Two (50 minutes) 26 Jan 85 6X. The Mark of the Rani 1. Part One (50 minutes) 2 Feb 85 2. Part Two (50 minutes) 9 Feb 85 6W. The Two Doctors 1. Part One (50 minutes) 16 Feb 85 2. Part Two (50 minutes) 23 Feb 85 3. Part Three (50 minutes) 2 Mar 85 6Y. Timelash 1. Part One (50 minutes) 9 Mar 85 2. Part Two (50 minutes) 16 Mar 85 6Z. Revelation of the Daleks 1. Part One (50 minutes) 23 Mar 85 2. Part Two (50 minutes) 30 Mar 85 TWENTY-THIRD SEASON Trial of a Timelord (7A. The Mysterious Planet) 1. Part One 6 Sep 86 2. Part Two 13 Sep 86 3. Part Three 20 Sep 86 4. Part Four 27 Sep 86 (7B. Mindwarp) 5. Part Five 4 Oct 86 6. Part Six 11 Oct 86 7. Part Seven 18 Oct 86 8. Part Eight 25 Oct 86 (7C. Terror of the Vervoids) [aka The Ultimate Foe] 9. Part Nine 1 Nov 86 10. Part Ten 8 Nov 86 11. Part Eleven 15 Nov 86 12. Part Twelve 22 Nov 86 (7C. The Ultimate Foe) [aka Time Inc.] 13. Part Thirteen 29 Nov 86 14. Part Fourteen 6 Dec 86