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Season guide

Mastermind: 1989

23 episodes Premiered Jan 15, 1989 Updated Sep 26, 2026
Previously on Mastermind

Season 17 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Mastermind Season 16.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 17 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 17 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 17: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

35%
65%
Mytharc (8): Crucial lore & season climaxes
Core (15): Character development & subplots
Side Quest (0): Standalone / filler
S17·E1 Mytharc

Episode 1

Jan 15, 1989

Who will be Mastermind Champion 1989? That is the question. Hoping to have all the answers are the 64 contenders in this year's series The University College of Swansea is where th

S17·E2 Core

Episode 2

Jan 22, 1989

with Magnus Magnusson from the University College of Swansea. This week four contenders from the South and West are in the hot seat. John Noel Banfield (retired MOD scientist) Th

S17·E3 Mytharc

Episode 3

Jan 29, 1989

with Magnus Magnusson from the University of Salford. The search for the 1989 Mastermind champion moves to the north of England where four more hopefuls are in the spotlight. Myra

S17·E4 Mytharc

Episode 4

Feb 5, 1989

with Magnus Magnusson from the University of Salford. Four people with a common aim - to be the 1989 Mastermind Champion. This week's heat is once again from the north of England.

S17·E5 Core

Episode 5

Feb 12, 1989

with Magnus Magnusson from the University of Glasgow. This week four Scottish contestants compete for a semi-final place. Michael Weir (civil servant) History of Golf at St Andre

S17·E6 Core

Episode 6

Feb 19, 1989

with Magnus Magnusson from University of Glasgow. John Fleming (social worker) Scottish Wars of Independence, 1292-1330; William Donnelly (smallholder) Life and Travels of Marco P

S17·E7 Core

Episode 7

Feb 26, 1989

with Magnus Magnusson from Redbridge Community School, Southampton. This week's contenders: Ian Verber (hospital doctor) The Life and Works of George Orwell; Hilary Potts (violin

S17·E8 Mytharc

Episode 8

Mar 5, 1989

with Magnus Magnusson from Redbridge Community School, Southampton. Four southerners compete for a semi-final place as the search continues for the Mastermind champion. The hopefu

S17·E9 Core

Episode 9

Mar 12, 1989

with Magnus Magnusson from Queen Mary College, University of London. The spotlight is on four more contestants aspiring to be the 1989 champion. Peter Shirtcliffe (ship's cook) Wo

S17·E10 Core

Episode 10

Mar 19, 1989

with Magnus Magnusson from Queen Mary College, University of London. Four more contestants take up the challenge. Christopher Mann (author and publisher) The Life and Campaigns of

S17·E11 Core

Episode 11

Mar 26, 1989

with Magnus Magnusson from the Cheltenham Ladies' College Richard Harris (insurance official) History of Communism in Eastern Europe from 1935; Gill Reid (housewife) The Life and

S17·E12 Core

Episode 12

Apr 2, 1989

with Magnus Magnusson from the Cheltenham Ladies' College Tom Bean (farmer) History of the Commonwealth and Protectorate 1649-60; Julie Tedds (knitwear designer) The Life and Work

S17·E13 Core

Episode 13

Apr 9, 1989

with Magnus Magnusson from the Royal College of Music. Four more contestants compete for a place in the semi-final. Anne Miller (assistant library manager) Life and Works of Lewis

S17·E14 Core

Episode 14

Apr 16, 1989

with Magnus Magnusson from the Royal College of Music David Carroll (electrician) Wars of the Roses; Charles Tod (retired bookseller) European Torpedo Boats and Destroyers to 1945

S17·E15 Mytharc

Episode 15

Apr 23, 1989

with Magnus Magnusson from the Museum of Army Transport, Beverley. Halfway through the 17th series, Mastermind reaches its 300th edition. Ian Sutton (accountant) Wines of Europe;

S17·E16 Core

Episode 16

Apr 30, 1989

with Magnus Magnusson from the Museum of Army Transport, Beverley. The four contenders for the last semi-final place are: Peter North (management consultant) British Butterflies;

S17·E17 Core

Episode 17

May 7, 1989

with Magnus Magnusson from the University of Newcastle upon Tyne. The first of the semi-finals with four formidable contenders hoping to receive a place in the final. Mary Elizab

S17·E18 Core

Episode 18

May 14, 1989

with Magnus Magnusson from the University of Newcastle upon Tyne. The second semi-final, and four more contenders are hoping to secure a place in the final. William Donnelly (sma

S17·E19 Mytharc

Episode 19

May 21, 1989

with Magnus Magnusson from the Speech Room, Harrow School. The third semi-final with fourmore hopeful contenders. Malcolm Robertson (composer) Life and works of Ralph Vaughan Will

S17·E20 Core

Episode 20

May 28, 1989

with Magnus Magnusson from the Speech Room. Harrow School. The fourth semi-final and four more contenders hoping to secure a place in the final. Roger Woods (farmer) The Cornish M

S17·E21 Core

Episode 21

Jun 4, 1989

with Magnus Magnusson The last semi-final from the Speech Room, Harrow School. There is only one place left in the final, and it will be taken by one of the 'best of the runners-up

S17·E22 Mytharc

The Final Five

Jun 7, 1989

For 17 years Boswell Taylor has supervised, co-ordinated and edited all the specialist questions for Mastermind yet he denies that he's the fount of all knowledge that some might b

S17·E23 Mytharc

The Final

Jun 11, 1989

The Final with Magnus Magnusson from the University of Warwick Who will be Mastermind Champion 1989? That question is answered tonight in what promises to be a fiercely fought fi

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