© 2026 The Couch Critic
Status
Released
Release
2018
Runtime
1h 5m
Available options inUS
"A story of knowledge, strength and integrity."
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.
27 Cast Members
KSI
Self
Joe Sugg
Self
Simon Minter
Self
Josh Bradley
Self
Vikram Barn
Self
Ethan Payne
Self
Tobi Brown
Self
Harry Lewis
Self
Deji Olatunji
Self
Yinka Olatunji
Self
Jide Olatunji
Self
Jack Whitehall
Self
Callum Airey
Self
Callum McGinley
Self
Keemstar
Self
Isiah Ocasio
Self
Logan Paul
Self
Laurence Mckenna
Self - Commentator
Brian Davis
Self - Commentator
Dida Alsaffar
Self - KSI's Personal Trainer