The boys scored twice in the last minute to beat Anderlecht 2-1 in Belgium.
Andy Najar opened the scoring for the home side and looked to have given them all three points before Kieran Gibbs and Lukas Podolski found the net in the 90th minute.
You can watch a bitesize clip of the game by clicking the play button above.
Copyright 2023 The Arsenal Football Club plc. Permission to use quotations from this article is granted subject to appropriate credit being given to www.arsenal.com as the source.