John Humphrys presents the fourth semi-final of the classic quiz. The specialist subjects are the Apollo space program, the Pitch Perfect films, the Appalachian Trail and Talking Heads.
| Title | Semi-Final 4 |
|---|---|
| Genres | Talk |
| Release Date | 2020-04-13 |
| Episode Runtime | 00 Hours 30 Minutes |
| Season Number | 46 |
| Episode Number | 28 |
| Production Companies | Hat Trick Productions, Hindsight Productions |
