Jon Show is in the chair as teams from across the UK face off in this ultimate quiz, featuring what promise to be TV's toughest questions on topics including science, sport and history.

Singers on Buzzers and Shrewd Operators go head to head as they face tough questions on topics including science, sport and history. 

Knowledge is Power and We Three Kings go head to head as they face tough questions.

No De Cologne and Guns N' Hoses go head to head as they face tough questions on topics including science, sport and history.

Show No Mersey and Mexborough Bandits go head to head as they face tough questions on topics including science, sport and history. 

Desperate Daniels and Leading Lights go head to head as they face tough questions on topics including science, sport and history.

Quiz show with Jon Snow. Britain's best quiz teams face TV's toughest questions, on any topic. So Far Solent Good take on Picture Perfect.

The Ein-Steins and The Kumars at Number 15 go head-to-head as they face the tough questions on topics including science, spot and history.

In the second episode, teams Simply the West and Winning Formula compete.

In the first episode, Intelli-Gents and Assassins' Guild compete.