Britain's Brainiest is a prize show where every week 12 people compete against questions, code breakers, puzzles and strategy games. Each week there is only one winner.
The contestants are people with many varieties of jobs, from taxi drivers and garbage men to lawyers and doctors, which makes this competition more interesting. After 12 rounds of this process the 12 winners have one big 90 minute finali and the winner will win $200 000 worth in cash and prizes.
Britains Brainiest Kid and Australia's Brainiest Kid came from this show.