Can Nick Grimshaw, Vicky Pattison, Amber Gill and Pete Wicks secretly rig a reality show to make average guy Josh the winner among a polished cast of contestants? If Josh wins, everyone wins!
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.
Complete episode guide for The Underdog: Josh Must Win with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in Japan.
This episode guide is organized by seasons, making it easy to track your viewing progress or find specific episodes. Use the episode information to plan your binge-watching sessions or catch up on missed episodes.