Euroleague Basketball: "The Hidden Gym" captures Final Four's magic

September 27, 2017. YouTube sensation Devin Williams has seen a lot of basketball, but attending the 2017 Turkish Airlines EuroLeague Final Four in Istanbul as a special guest of adidas and Euroleague Basketball caused Williams to question everything he had witnessed before. Williams is the creator, producer and star of the popular YouTube channel In The Lab, and he used his special access in Istanbul to produce a film on his experience.Titled "The Hidden Gym", Williams's half-hour film on the ...