The 2005-06 campaign delivered a turbulent season for Real Betis, which culminated in a 14th-place finish in La Liga just one year after their Copa del Rey triumph. Los Verdiblancos' historic debut in the UEFA Champions League group stage, featuring an unforgettable 1-0 home victory against Chelsea, provided the major highlight. Spearheaded by Robert's 7 crucial league goals, the season remains a defining chapter of competing with the European elite before the club settled for a mid-table spot.