In the first installment of this four-part series, an initial look at some of the men behind the whistle of the most important games in the sport. As this episode shows, preparation for top referees, just like elite players, goes far before setting foot on the pitch.

In the second installment of this four-part series, UEFA's top referees find themselves in the middle of key matchups and the psychology of football refereeing is explored.

In the third installment of this four-part series, the proper role of an elite referee is explored, and officials navigate COVID lockdown in Europe while trying to keep their families, and the game, safe through the unknown.

In the final installment of this documentary series, more perspective on how UEFA officials handled the continuation of the season among the on-going crisis, see how the design and equipment of the modern kit are developed for UEFA's referees, and the epic conclusion with an inside look from the 2019/2020 final match.