This week's edition features a round on forensic science presented by Ria Lina, Alex Brooker on language and words and Sarah Kendall on karate. Richard's special guest David O'Doherty presents his Facts Akimbo round.
| Name | Type | Role | |
|---|---|---|---|
| Sarah Kendall | Guest Star | Guest | |
| Ria Lina | Guest Star | Guest | |
| Alex Brooker | Guest Star | Guest |