Extended version of the quiz, this time including questions nobody knows the answer to.
| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S09E01 | I-Spy |
September 10, 2011
BBC Two
|
45 | |
| S09E02 | International |
September 17, 2011
BBC Two
|
45 | |
| S09E03 | Imbroglio |
September 24, 2011
BBC Two
|
45 | |
| S09E04 | Indecision |
October 1, 2011
BBC Two
|
45 | |
| S09E05 | Invertebrates |
October 8, 2011
BBC Two
|
45 | |
| S09E06 | Inventive |
October 15, 2011
BBC Two
|
45 | |
| S09E07 | Incomprehensible |
October 22, 2011
BBC Two
|
45 | |
| S09E08 | Inequality |
October 29, 2011
BBC Two
|
45 | |
| S09E09 | Illness |
November 5, 2011
BBC Two
|
45 | |
| S09E10 | Inland Revenue |
November 12, 2011
BBC Two
|
45 | |
| S09E11 | Infantile |
November 19, 2011
BBC Two
|
45 | |
| S09E12 | Illumination |
November 26, 2011
BBC Two
|
45 | |
| S09E13 | Intelligence |
December 3, 2011
BBC Two
|
45 | |
| S09E14 | Ice |
December 30, 2011
BBC Two
|
45 | |
| S09E15 |
The Immortal Bard
season finale
|
May 19, 2012
BBC Two
|
45 | |
| S09E16 |
Idleness
season finale
|
May 24, 2012
BBC Two
|
45 |
No artwork of this type.
No artwork of this type.
No artwork of this type.