archytele The Vault
Season guide

QI: Series I

18 episodes Premiered Sep 9, 2011 Updated Oct 11, 2026
Previously on QI

Season 9 Lore Primer

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

  • ⚡ Picks up essential narrative continuity directly following the events of QI Season 8.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season 9 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 9 Progress Shield

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

Season 9: Filler vs. Essential Canon

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

28%
72%
Mytharc (5): Crucial lore & season climaxes
Core (13): Character development & subplots
Side Quest (0): Standalone / filler
S9·E1 Mytharc

I-Spy

Sep 9, 2011 · 29 min

Stephen Fry plays I-Spy with Sandi Toksvig, Lee Mack, Jimmy Carr and Alan Davies.

S9·E2 Core

International

Sep 16, 2011 · 29 min

Stephen asks unanswerable questions with an international flavour. With Jack Dee, David Mitchell, Bill Bailey and Alan Davies.

S9·E3 Core

Imbroglio

Sep 23, 2011 · 29 min

Stephen Fry investigates an imbroglio of issues with John Bishop, Frank Skinner, Sean Lock and Alan Davies.

S9·E4 Core

Indecision

Sep 30, 2011 · 29 min

Stephen Fry talks about indecision with Jimmy Carr, Rich Hall, Phill Jupitus and Alan Davies.

S9·E5 Core

Invertebrates

Oct 7, 2011 · 29 min

Stephen Fry looks at insects and other invertebrates. With Sarah Millican, Jimmy Carr, Johnny Vegas and Alan Davies.

S9·E6 Core

Inventive

Oct 14, 2011 · 29 min

Stephen Fry waxes inventive with Nina Conti, Sean Lock, Bill Bailey and Alan Davies.

S9·E7 Core

Incomprehensible

Oct 21, 2011 · 29 min

Stephen Fry considers some incomprehensible questions with Sue Perkins, Ross Noble, Professor Brian Cox and Alan Davies.

S9·E8 Core

Inequality

Oct 28, 2011 · 29 min

Stephen Fry addresses inequality and injustice with Sandi Toksvig, Clive Anderson, Henning Wehn and Alan Davies.

S9·E9 Core

Illness

Nov 4, 2011 · 29 min

Stephen Fry investigates Illness with Jo Brand, Ben Goldacre, Andy Hamilton and Alan Davies.

S9·E10 Core

Inland Revenue

Nov 11, 2011 · 29 min

Stephen Fry asks some taxing questions about things that start with I, with Sandi Toksvig, Al Murray, Dara Ó Briain and Alan Davies.

S9·E11 Core

Infantile

Nov 18, 2011 · 29 min

Stephen Fry casts light on the subject of Infantile. With Lee Mack, Ronnie Ancona, Dave Gorman and Alan Davies.

S9·E12 Core

Illumination

Nov 25, 2011 · 29 min

Stephen Fry casts light on the subject of illumination. With Jack Dee, Chris Addison, Rich Hall and Alan Davies.

S9·E13 Core

Intelligence

Dec 2, 2011 · 29 min

Stephen Fry asks some intelligent questions. With Jo Brand, David Mitchell, Phill Jupitus and Alan Davies.

S9·E14 Mytharc

VG Part 1

Dec 16, 2011 · 29 min

Collection of highlights from QI Series 9 - aka the letter 'I' series.

S9·E15 Mytharc

VG Part 2

Dec 23, 2011 · 29 min

Second collection of highlights from QI Series 9 - aka the letter 'I' series.

S9·E16 Core

Ice

Dec 29, 2011 · 29 min

In a special Christmas edition, Stephen Fry looks at ice. With contestants Ross Noble, Sean Lock, Brian Blessed and Alan Davies.

S9·E17 Mytharc

Immortal Bard

Apr 27, 2012 · 29 min

Stephen Fry investigates the Immortal Bard with Sue Perkins, Bill Bailey, David Mitchell and Alan Davies in a special show for the Cultural Olympiad.

S9·E18 Mytharc

Idleness

May 4, 2012 · 29 min

Stephen Fry takes a lazy look at idleness with Ross Noble, Dara Ó Briain, Jeremy Clarkson and Alan Davies.

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