In this festive series opener Josh Widdicombe is joined by Chris Packham and historian Suzannah Lipscomb and Richard Osman is joined by Carol Vorderman and James Acaster. Cue lots of comic banter, funny facts and unusual stats, as the as the two teams vie to outdo the other.
| Name | Type | Role | |
|---|---|---|---|
| Carol Vorderman | Guest Star | ||
| James Acaster | Guest Star | ||
| Chris Packham | Guest Star | ||
| Suzannah Lipscomb | Guest Star | ||
| Geraldine Dowd | Director |