The Common Denominator is a quiz show that has aired on Channel 4 since 18 February 2013. The programme is hosted by Phil Spencer.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 2013-02-18 | 30 min |
| Season 1 | Episode 2 | Episode 2 | 2013-02-19 | 30 min |
| Season 1 | Episode 3 | Episode 3 | 2013-02-20 | 30 min |
| Season 1 | Episode 4 | Episode 4 | 2013-02-21 | 30 min |
| Season 1 | Episode 5 | Episode 5 | 2013-02-22 | 30 min |
| Season 1 | Episode 6 | Episode 6 | 2013-02-25 | 30 min |
| Season 1 | Episode 7 | Episode 7 | 2013-02-26 | 30 min |
| Season 1 | Episode 8 | Episode 8 | 2013-02-27 | 30 min |
| Season 1 | Episode 9 | Episode 9 | 2013-02-28 | 30 min |
| Season 1 | Episode 10 | Episode 10 | 2013-03-01 | 30 min |
| Season 1 | Episode 11 | Episode 11 | 2013-03-04 | 30 min |
| Season 1 | Episode 12 | Episode 12 | 2013-03-05 | 30 min |
| Season 1 | Episode 13 | Episode 13 | 2013-03-06 | 30 min |
| Season 1 | Episode 14 | Episode 14 | 2013-03-07 | 30 min |
| Season 1 | Episode 15 | Episode 15 | 2013-03-08 | 30 min |
| Season 1 | Episode 16 | Episode 16 | 2013-03-11 | 30 min |
| Season 1 | Episode 17 | Episode 17 | 2013-03-18 | 30 min |
| Season 1 | Episode 18 | Episode 18 | 2013-03-19 | 30 min |
| Season 1 | Episode 19 | Episode 19 | 2013-03-20 | 30 min |
| Season 1 | Episode 20 | Episode 20 | 2013-03-21 | 30 min |
| Season 1 | Episode 21 | Episode 21 | 2013-03-22 | 30 min |
| Season 1 | Episode 22 | Episode 22 | 2013-03-25 | 30 min |
| Season 1 | Episode 23 | Episode 23 | 2013-03-26 | 30 min |
| Season 1 | Episode 24 | Episode 24 | 2013-03-27 | 30 min |
| Season 1 | Episode 25 | Episode 25 | 2013-03-28 | 30 min |
| Season 1 | Episode 26 | Episode 26 | 2013-03-29 | 30 min |
| Season 1 | Episode 27 | Episode 27 | 2013-04-01 | 30 min |
| Season 1 | Episode 28 | Episode 28 | 2013-04-02 | 30 min |
| Season 1 | Episode 29 | Episode 29 | 2013-04-03 | 30 min |
| Season 1 | Episode 30 | Episode 30 | 2013-04-08 | 30 min |
| Season 1 | Episode 31 | Episode 31 | 2013-04-09 | 30 min |
| Season 1 | Episode 32 | Episode 32 | 2013-04-10 | 30 min |
| Season 1 | Episode 33 | Episode 33 | 2013-04-11 | 30 min |
| Season 1 | Episode 34 | Episode 34 | 2013-04-12 | 30 min |
| Season 1 | Episode 35 | Episode 35 | 2013-04-15 | 30 min |
| Season 1 | Episode 36 | Episode 36 | 2013-04-16 | 30 min |
| Season 1 | Episode 37 | Episode 37 | 2013-04-17 | 30 min |
| Season 1 | Episode 38 | Episode 38 | 2013-04-18 | 30 min |
| Season 1 | Episode 39 | Episode 39 | 2013-04-19 | 30 min |
