Sandi Toksvig is joined by Bridget Christie, Rosie Jones, Cariad Lloyd and Alan Davies to find out about ulex and other obscure U words.
| Name | Type | Role | |
|---|---|---|---|
| Sandi Toksvig | Host | ||
| Alan Davies | Guest Star | Panellist | |
| Cariad Lloyd | Guest Star | Panellist | |
| Rosie Jones | Guest Star | Panellist | |
| Bridget Christie | Guest Star | Panellist | |
| John Lloyd | Executive Producer |