A special celebrity 1970s edition of the general knowledge quiz in which four teams try to come up with the answers that no-one else could think of. Presented by Alexander Armstrong and co-host Richard Osman. Featuring Babs Powell and Dee Dee Wilde, John Conteh and Alan Mullery, Michael Keating and Jacqueline Pearce, and Martin Lee and Sandra Stevens.
| Name | Type | Role | |
|---|---|---|---|
| Dee Dee Wilde | Guest Star | ||
| Martin Lee | Guest Star | ||
| John Conteh | Guest Star | ||
| Sandra Stevens | Guest Star | ||
| Alan Mullery | Guest Star | ||
| Michael Keating | Guest Star | ||
| Babs Powell | Guest Star | ||
| Jacqueline Pearce | Guest Star |