QI — Series O
01 Ologies
Oct 20, 201729m★ 6.7
In the first episode of the 'O' series, Sandi Toksvig sets out in search of 'Ologies' and 'Odoxies' - and finds out how an amusement arcade helped to win the Cold War, meets a lizard with three eyes, and much else besides. The guests are Bill Bailey, Phill Jupitus, Claudia Winkleman and Alan Davies.
02 Organisms
Oct 27, 201729m★ 7.0
Sandi Toksvig looks at multiple Organisms. Where else are you going to meet the world's deadliest hunter, a photographer hidden inside an ox, and a juggling otter, all in the same room? With Nish Kumar, Cariad Lloyd, Holly Walsh and Alan Davies.
03 Oceans
Nov 3, 201729m★ 6.8
Sandi Toksvig looks at the oceans. Tune in to hear one publisher's suggestion for a radical improvement to Moby Dick. With Aisling Bea, Joe Lycett, David Mitchell and Alan Davies.
04 Over and Ova
Nov 10, 201729m★ 7.0
Sandi Toksvig looks at over and ova. Learn some tricks you can do with eggs, meet a flying pig and join in as the studio audience sings along with western film themes. With Bill Bailey, Jan Ravens, Grayson Perry and Alan Davies.
05 Odorous and Odious
Nov 24, 201729m★ 7.0
Sandi Toksvig considers all things Odorous and Odious. Why is the world's second-smelliest man so frustrated? Sandi has the answer. With Nish Kumar, Sally Phillips, Ross Noble and Alan Davies.
06 Odds and Ends
Dec 1, 201729m★ 7.3
Sandi Toksvig considers various odds and ends. Ever wondered how to tell a schnauzerorgan from a paddywhack? With Matt Lucas, Romesh Ranganathan, Liza Tarbuck and Alan Davies.
07 Opposites
Dec 8, 201729m★ 7.3
Find out how to sort the sheep from the goats, discover the opposite of Tarzan, and meet the telescope that points straight through the Earth. With Jimmy Carr, Colin Lane, Sara Pascoe and Alan Davies.
08 Operations
Dec 15, 201729m★ 7.5
An unconventional look at the theme of Operations. With Bill Bailey, Katherine Ryan, Rhod Gilbert and Alan Davies.
09 O Christmas
Dec 26, 201729m★ 7.5
Sandi Toksvig hosts the QI Christmas special, with Jason Manford, Romesh Ranganathan, Holly Walsh and Alan Davies. Learn the best way to wrap an awkwardly shaped present and how to get wine stains out of the carpet.
10 Origins and Openings
Jan 5, 201829m★ 8.0
Sandi Toksvig looks into some origins and openings, with Josh Widdicombe, Susan Calman, Rich Hall and Alan Davies. Tune in to hear what Mr First thought of Mr Second, and much more.
11 Objects and Ornaments
Jan 12, 201829m★ 7.5
Sandi Toksvig looks at some objects and ornaments. Along the way, discover where you can find an actual UFO and meet the world's best-dressed crab. With Sarah Millican, Cariad Lloyd, Alice Levine and Alan Davies.
12 The Occult
Jan 19, 201829m★ 6.0
Sandi Toksvig looks into the occult. Ever wondered how a Hand of Glory can make you rich? Sandi has all the answers. With Aisling Bea, Russell Brand, Noel Fielding and Alan Davies.
13 Omnishambles
Jan 26, 201829m★ 6.0
Sandi Toksvig organises an omnishambles with Josh Widdicombe, Stephen K Amos, Cally Beaton and Alan Davies.
14 Oddballs
Feb 2, 201829m★ 7.0
Sandi Toksvig looks at some oddballs with Jason Manford, Jimmy Carr, Victoria Coren Mitchell and Alan Davies.
15 Occupations and Offices
Feb 9, 201829m★ 6.5
Sandi Toksvig looks into occupations and offices with Deirdre O'Kane, Richard Osman, David Mitchell and Alan Davies.
16 Overseas
Feb 16, 201829m★ 7.0
Sandi Toksvig ventures Overseas to find out about who keeps their brothers in a cage, and much more. With Bill Bailey, Colin Lane, Desiree Burch and Alan Davies.
17 VG Part One
Feb 23, 201829m
A compilation of some of the best bits from Series O, with Sandi Toksvig and Alan Davies.
18 VG Part Two
Mar 2, 201829m
More of the best bits from Series O, with Sandi Toksvig, Alan Davies and guests.