Air date: 2011-09-09

Runtime: 29 min

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

Air date: 2011-09-16

Runtime: 29 min

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

Air date: 2011-09-23

Runtime: 29 min

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

Air date: 2011-09-30

Runtime: 29 min

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

Air date: 2011-10-07

Runtime: 29 min

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

Air date: 2011-10-14

Runtime: 29 min

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

Air date: 2011-10-21

Runtime: 29 min

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

Air date: 2011-10-28

Runtime: 29 min

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

Air date: 2011-11-04

Runtime: 29 min

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

Air date: 2011-11-11

Runtime: 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.

Air date: 2011-11-18

Runtime: 29 min

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

Air date: 2011-11-25

Runtime: 29 min

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

Air date: 2011-12-02

Runtime: 29 min

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

Air date: 2011-12-16

Runtime: 29 min

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

Air date: 2011-12-23

Runtime: 29 min

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

Air date: 2011-12-29

Runtime: 29 min

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

Air date: 2012-04-27

Runtime: 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.

Air date: 2012-05-04

Runtime: 29 min

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