In episode four, Josh is joined by Ed Gamble and historian Suzannah Lipscomb, and Richard is joined by Katy Brand and the BBC's media editor Amol Rajan. Cue lots of comic banter, funny facts and unusual stats as the as the two teams vie to outdo the other.
| Name | Type | Role | |
|---|---|---|---|
| Ed Gamble | Guest Star | ||
| Suzannah Lipscomb | Guest Star | ||
| Katy Brand | Guest Star | ||
| Amol Rajan | Guest Star |