"Ninja Warrior UK" is a British physical obstacle assault course game show, created for ITV. The show was based upon the format of the Japanese game show "Sasuke", created by Ushio Higuchi, which was aired in the United Kingdom and other countries as "Ninja Warrior".

Presented by Ben Shephard, Chris Kamara and Rochelle Humes, the show focuses on around 250 contestants (160 in series 4-5) tackling a variety of obstacles along an assault course, the most notable being the "warped wall", and achieving a fast time or going the furthest to qualify for the semi-finals and the finals, with the competitor who goes furthest fastest in the final being declared "Last Ninja Standing". If a competitor completes the final obstacle, "Mount Midoriyama" in under 45 seconds, they will be declared winner of the contest and crowned "Ninja Warrior UK".

The fifth and final series of "Ninja Warrior UK" began airing from 13 April to 1 June 2019. The winner was Tim Champion, who became the first UK competitor to attempt and complete the Mount Midoriyama rope climb within 45 seconds, doing so with just 1 second to spare.

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