This is a list of episodes of QI, the BBC comedy panel game television programme hosted by Stephen Fry. This series aired on BBC Two, rather than BBC One as it had in recent years. It is the ninth series of QI.

Season 9 Episode 16 - Ice

In a special Christmas edition, Stephen Fry looks at ice. With contestants Ross Noble, Sean Lock, Brian Blessed and Alan Davies. Air Date : 29th-Dec-2011

Season 9 Episode 1 - I-Spy

Stephen Fry plays I-Spy with Sandi Toksvig, Lee Mack, Jimmy Carr and Alan Davies. Air Date : 9th-Sep-2011  Read More

Season 9 Episode 2 - International

Stephen asks unanswerable questions with an international flavour. With Jack Dee, David Mitchell, Bill Bailey and Alan Davies. Air Date : 16th-Sep-2011  Read More

Season 9 Episode 3 - Imbroglio

Stephen Fry investigates an imbroglio of issues with John Bishop, Frank Skinner, Sean Lock and Alan Davies. Air Date : 23rd-Sep-2011  Read More

Season 9 Episode 4 - Indecision

Stephen Fry talks about indecision with Jimmy Carr, Rich Hall, Phill Jupitus and Alan Davies. Air Date : 30th-Sep-2011  Read More

Season 9 Episode 5 - Invertebrates

Stephen Fry looks at insects and other invertebrates. With Sarah Millican, Jimmy Carr, Johnny Vegas and Alan Davies. Air Date : 7th-Oct-2011  Read More

Season 9 Episode 6 - Inventive

Stephen Fry waxes inventive with Nina Conti, Sean Lock, Bill Bailey and Alan Davies. Air Date : 14th-Oct-2011  Read More

Season 9 Episode 7 - Incomprehensible

Stephen Fry considers some incomprehensible questions with Sue Perkins, Ross Noble, Professor Brian Cox and Alan Davies. Air Date : 21st-Oct-2011  Read More

Season 9 Episode 8 - Inequality

Stephen Fry addresses inequality and injustice with Sandi Toksvig, Clive Anderson, Henning Wehn and Alan Davies. Air Date : 28th-Oct-2011  Read More

Season 9 Episode 9 - Illness

Stephen Fry investigates Illness with Jo Brand, Ben Goldacre, Andy Hamilton and Alan Davies. Air Date : 4th-Nov-2011  Read More

Season 9 Episode 10 - Inland Revenue

Stephen Fry asks some taxing questions about things that start with I, with Sandi Toksvig, Al Murray, Dara Ó Briain and Alan Davies. Air Date : 11th-Nov-2011  Read More

Season 9 Episode 11 - Infantile

Stephen Fry casts light on the subject of Infantile. With Lee Mack, Ronnie Ancona, Dave Gorman and Alan Davies. Air Date : 18th-Nov-2011  Read More

Season 9 Episode 12 - Illumination

Stephen Fry casts light on the subject of illumination. With Jack Dee, Chris Addison, Rich Hall and Alan Davies. Air Date : 25th-Nov-2011  Read More

Season 9 Episode 13 - Intelligence

Stephen Fry asks some intelligent questions. With Jo Brand, David Mitchell, Phill Jupitus and Alan Davies. Air Date : 2nd-Dec-2011  Read More

Season 9 Episode 14 - VG Part 1

Collection of highlights from QI Series 9 - aka the letter 'I' series. Air Date : 16th-Dec-2011  Read More

Season 9 Episode 15 - VG Part 2

Second collection of highlights from QI Series 9 - aka the letter 'I' series. Air Date : 23rd-Dec-2011  Read More

Season 9 Episode 16 - Ice

In a special Christmas edition, Stephen Fry looks at ice. With contestants Ross Noble, Sean Lock, Brian Blessed and Alan Davies. Air Date : 29th-Dec-2011  Read More

Season 9 Episode 17 - Immortal Bard

Stephen Fry investigates the Immortal Bard with Sue Perkins, Bill Bailey, David Mitchell and Alan Davies in a special show for the Cultural Olympiad. Air Date : 27th-Apr-2012  Read More

Season 9 Episode 18 - Idleness

Stephen Fry takes a lazy look at idleness with Ross Noble, Dara Ó Briain, Jeremy Clarkson and Alan Davies. Air Date : 4th-May-2012  Read More