All Clued Up is a British game show based on the American version entitled The $1,000,000 Chance of a Lifetime.

Like the American show, two married couples competed to solve word puzzles which led to a master solution, in a game show combining the elements of Definition, Scrabble and Wheel of Fortune in North America.

For each letter revealed in the word, £10 is added to a bank, and the team that correctly solves the puzzle wins the pot.

The winning couple could then risk £500 for the right to return the next day for chance to play the bonus game again for an additional £3,000, or retire undefeated.

The fourth series aired on Monday to Friday mornings at 9:25am for the first 20 episodes from 24 June to 19 July.