First broadcast: on BBC One WestLatest broadcast: on BBC One Wales
The contestants' specialist subjects include Formula One between 1990 and 2004, sharks, the life and reign of Queen Victoria and Anthony Horowitz's Alex Rider novels.
This data is drawn from the data stream that informs BBC's iPlayer and Sounds. The information shows what was scheduled to be broadcast, meaning it was/is subject to change and may not be accurate. More
