1. Ologies
Aired: Oct 20, 2017 Sandi Toksvig returns to host her second series of the quite interesting quiz...
2. Organisms
Aired: Oct 27, 2017 Sandi Toksvig looks at multiple organisms with regular panellist Alan Davies ...
3. Oceans
Aired: Nov 3, 2017 Sandi Toksvig helms another edition of the quiz. Joining regular crew member ...
4. Over and Ova
Aired: Nov 10, 2017 Artist Grayson Perry, impressionist Jan Ravens and comedian Bill Bailey hope ...
5. Odorous and Odious
Aired: Nov 24, 2017 Why is the world's second-smallest man so frustrated? will be among the topic...
6. Odds and Ends
Aired: Dec 1, 2017 Sandi Toksvig considers various odds and ends with guests Romesh Ranganathan,...
7. Opposites
Aired: Dec 8, 2017 Find out how to sort the sheep from the goats, the opposite of Tarzan and dis...
8. Operations
Aired: Dec 15, 2017 Host Sandi Toksvig and regular panellist Alan Davies are joined by guests Bil...
9. O Christmas
Aired: Dec 26, 2017 The QI Christmas special in which we learn about traditional Christmases and ...
10. Origins and Openings
Aired: Jan 5, 2018 Sandi discusses the real origin of species and openings trivia, with Alan Dav...
11. Objects and Ornaments
Aired: Jan 12, 2018 Sandi and Alan are joined by Sarah Millican, Cariad Lloyd and Radio 1 DJ Alic...
12. The Occult
Aired: Jan 19, 2018 Actor Russell Brand and comedians Aisling Bea and Noel Fielding join Sandi To...
13. Omnishambles
Aired: Jan 26, 2018 Sandi organises an omnishambles with Josh Widdicombe, Stephen K. Amos and Cal...
14. Oddballs
Aired: Feb 2, 2018 Sandi Toksvig looks at some oddballs with Jason Manford, Jimmy Carr, Victoria...
15. Occupations and Offices
Aired: Feb 9, 2018 Sandi Toksvig and Alan Davies are joined by Deirdre O'Kane, Richard Osman and...
16. Overseas
Aired: Feb 16, 2018 Danish host Sandi Toksvig oversees American comedian Desiree Burch, Australia...
17. VG Part One
Aired: Feb 23, 2018 A selection of some of the highlights of the O series of the quite interestin...
18. VG Part Two
Aired: Mar 2, 2018 A selection of some of the highlights of the O series.