John Humphrys hosts as contenders answer questions on their specialist subjects, which are Ernest Rutherford, Hitchcock films, the motorways of England and the Poldark novels.
| Title | Episode 20 |
|---|---|
| Genres | Talk |
| Release Date | 2021-03-01 |
| Episode Runtime | 00 Hours 30 Minutes |
| Season Number | 47 |
| Episode Number | 20 |
| Production Companies | Hat Trick Productions, Hindsight Productions |
