The 2005–06 season was the 108th in the competitive history of Arsenal Football Club. It began on 1 July 2005 and concluded on 30 June 2006, with competitive matches played between August and May. It was the final season that Arsenal played at Highbury (Arsenal Stadium), before moving to the Emirates Stadium the following season. Under Arsène Wenger, Arsenal finished the season in fourth, whilst also reaching the final of the UEFA Champions League. The final, which Arsenal lost against Barcelona, is the only UCL final that Arsenal have reached.
