Father and son pairing, Gagie and Nico, give it their best shot at taking on TV's toughest gameshow.

Meanwhile, married couple Claire and Andrew face a series of new and classic Cube games that push them to the limit as they attempt to walk away with a life-changing amount of money.

Competitive couple Amber and John see their journey reach a dramatic conclusion, but how will it end? Birmingham sisters Shayma and Issra then step up to face a series of games that puts all their skills to the test as they attempt to beat the Cube. The further they go in the competition, the more money they win, up to a jackpot of £250,000