In the first edition, married NHS workers Will and Kathryn are the first team to take on the challenge.

The duo host the quiz, with Zee and his dad Tony returning for a chance to win the biggest cash prize in British TV history by climbing an endless money ladder, but only a correct answer banks the cash. Zee and his dad Tony return to take on the Limitless money ladder.

The duo host the quiz as sisters Sarah and Amy return for a chance to win the biggest cash prize in British TV history by climbing an endless money ladder, but only a correct answer banks the cash.