The 2003-04 campaign delivered a season of breathtaking European glory for Deportivo as Depor clinched a strong 3rd-place finish in La Liga, securing European football for the following year. The true legacy of the season, however, was the historic run to the UEFA Champions League semi-finals, highlighted by the sensational 4-0 quarter-final comeback against defending champions AC Milan, overcoming a 4-1 first-leg deficit in a match that stunned the continent. Leading the charge on all fronts was the prolific Walter Pandiani, whose 14 league goals and crucial European strikes proved vital in the club's heroic, momentum-fueled push. It was an unforgettable year that cemented their status as "Super Depor" and remains a defining, dramatic chapter in the club's history.