Presented by Matt Baker and Alex Jones. They are joined by Alison Steadman and Paula Wilcox. Nick Hewer and scientist Mark Miodownik talk about taking on some surprising challenges, and band Reef play their latest single.
| Name | Type | Role | |
|---|---|---|---|
| Alison Steadman | Guest Star | ||
| Paula Wilcox | Guest Star | ||
| Mark Miodownik | Guest Star | ||
| Nick Hewer | Guest Star |