Extended version of the quiz, this time including questions nobody knows the answer to.
Where to Watch QI XL • Series I
16 Episodes
I-Spy
E1
I-SpyStephen Fry hosts the mind-expanding quiz in which the aim is to be interesting. Stephen plays I-Spy with Sandi Toksvig, Lee Mack, Jimmy Carr and Alan Davies.
International
E2
InternationalStephen Fry asks unanswerable questions with an international flavour. With Jack Dee, David Mitchell, Bill Bailey and Alan Davies.
Imbroglio
E3
ImbroglioStephen Fry investigates an imbroglio of issues with John Bishop, Frank Skinner, Sean Lock and Alan Davies.
Indecision
E4
IndecisionStephen Fry comes over all indecisive. With Phill Jupitus, Rich Hall, Jimmy Carr and Alan Davies.
Invertebrates
E5
InvertebratesStephen Fry looks at insects and other invertebrates. With Sarah Millican, Jimmy Carr, Johnny Vegas and Alan Davies.
Inventive
E6
InventiveStephen Fry waxes inventive with Nina Conti, Sean Lock, Bill Bailey and Alan Davies.
Incomprehensible
E7
IncomprehensibleStephen Fry considers some incomprehensible questions with Sue Perkins, Ross Noble, Professor Brian Cox and Alan Davies.
Inequality
E8
InequalityStephen Fry addresses inequality and injustice with Sandi Toksvig, Clive Anderson, Henning Wehn and Alan Davies.
Illness
E9
IllnessStephen Fry investigates Illness with Jo Brand, Ben Goldacre, Andy Hamilton and Alan Davies.
Inland Revenue
E10
Inland RevenueStephen Fry asks some taxing questions about things that start with 'i'. Joining him are Sandi Toksvig, Al Murray, Dara O Briain and Alan Davies.
Infantile
E11
InfantileStephen Fry comes over all infantile with Ronni Ancona, Dave Gorman, Lee Mack and Alan Davies.
Illumination
E12
IlluminationStephen Fry casts light on the subject of illumination. With Jack Dee, Chris Addison, Rich Hall and Alan Davies.
Intelligence
E13
IntelligenceStephen Fry asks some intelligent questions. With Jo Brand, David Mitchell, Phill Jupitus and Alan Davies.
Ice
E16
IceIn a special Christmas edition, Stephen Fry looks at ice. With contestants Ross Noble, Sean Lock, Brian Blessed and Alan Davies.
The Immortal Bard
E17
The Immortal BardStephen Fry investigates the Immortal Bard with Sue Perkins, Bill Bailey, David Mitchell, and Alan Davies in a special show for the Cultural Olympiad.
Idleness
E18
IdlenessStephen Fry takes a lazy look at idleness with Ross Noble, Dara O Briain, Jeremy Clarkson and Alan Davies.
