E1 - I-Spy

Aired: September 09, 2011

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

E2 - International

Aired: September 16, 2011

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

E3 - Imbroglio

Aired: September 23, 2011

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

E4 - Indecision

Aired: September 30, 2011

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

E5 - Invertebrates

Aired: October 07, 2011

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

E6 - Inventive

Aired: October 14, 2011

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

E7 - Incomprehensible

Aired: October 21, 2011

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

E8 - Inequality

Aired: October 28, 2011

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

E9 - Illness

Aired: November 04, 2011

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

E10 - Inland Revenue

Aired: November 11, 2011

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

E11 - Infantile

Aired: November 18, 2011

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

E12 - Illumination

Aired: November 25, 2011

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

E13 - Intelligence

Aired: December 02, 2011

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

E14 - VG Part 1

Aired: December 16, 2011

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

E15 - VG Part 2

Aired: December 23, 2011

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

E16 - Ice

Aired: December 29, 2011

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

E17 - Immortal Bard

Aired: April 27, 2012

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

E18 - Idleness

Aired: May 04, 2012

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