Millions tuned in to see KSI beat Joe Weller in the biggest amateur boxing match of all time. But what didn't they see? The blood, sweat and determination underpinning KSI's intense training regime and a revealing look at his world off camera. This is the exclusive and never before seen story of Knowledge, Strength and Integrity, and how JJ, with 18m YouTube subscribers, went from actor to athlete.

Come See Me in the Good Light
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7.1/10

Champs
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6.3/10

Harmontown
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6.6/10

Avatar: The Deep Dive - A Special Edition of 20/20
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A Toxic Love Story
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6.4/10

Beyond the Mat
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7.3/10

Being James Bond
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7.8/10

I Am Heath Ledger
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The Class of ‘92
2013
7.1/10

Untold: Jake Paul the Problem Child
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Jackie Chan: My Story
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6.3/10

Chris Brown: Welcome to My Life
2017
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Dawg Fight
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6.4/10

I Am Ali
2014
6.7/10

No Half Measures: Creating the Final Season of Breaking Bad
2013
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My Mom Jayne
2025
8.0/10

Lionel Messi: Destiny
2023
7.8/10

Elstree 1976
2015
6.2/10

For the Love of Spock
2016
7.4/10

Hitman Hart: Wrestling with Shadows
1998
7.5/10
I Am Joe Frazier
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8.7/10