The Underdog: Josh Must Win - Episode Guide

In the first edition, the nine contestants enter a mansion believing that they're taking part in a popularity contest called The Favourite, with the winner set to take home £10,000.

After the first elimination, Nick Grimshaw, Vicky Pattison, Amber Gill and Pete Wicks must reveal their big secret to the departing player.

A surprise 'power couple' enter the mansion and unsettle the group dynamics. How will this affect Josh and the other players' chances - and the celebrity panel's strategy?

A social divide is forming in the mansion, prompting players to ask probing questions about Josh, and causing concern among the celebrity panel.

There is relief in The Favourite mansion as the remaining players process last night's elimination, while the celebrity panel are feeling confident about their next steps.

With time running out, the celebrity panel decide they need back-up in the form of Gemma Collins, and the reality star is certain she can make Josh shine.

In the final challenge the players must protect each other in a battle to win a precious phone call home, but what starts as a bit of fun quickly turns sour as the strongest relationship in the house is called into question.

The celebrity panel have one last chance to manipulate the game and try to tip the odds in their favour before their powers end for good.