[1][2] It was the first season in which home matches were played at the over-60,000 capacity Emirates Stadium; the club's former ground Highbury was to be redeveloped as a residential development.
Arsenal ended their Premier League campaign in fourth, level on points with third-placed Liverpool but with a marginally lower goal difference.
In the League Cup, a competition which offered manager Arsène Wenger the chance to play his younger players, Arsenal reached the final but lost to a relatively experienced Chelsea side.
However, the Gunners` performance did not match the pre-game expectations; the sides drew 1-1, Gilberto Silva scoring a late equaliser after Olof Mellberg put Villa ahead; a bright spark for Arsenal was youngster Theo Walcott, who had helped create the goal with a fine run after making his debut as a substitute.
[3] The Gunners then disappointingly lost 1–0 to Manchester City to a Joey Barton penalty just before the break, having dominated the match and spurned numerous chances.
[4] The Gunners then hosted Middlesbrough in their second league match at the Emirates, and once again were forced to come from behind in a strangely similar game to the Villa one; James Morrison gave Boro the lead, before Thierry Henry opened his account for the season from the penalty spot to salvage a point for Arsenal.
They then were forced to come from behind away to Charlton Athletic; however a Robin van Persie double, including a stunning edge-of-the box flying volley, gave the Gunners a 2–1 victory to close out the month in eighth position.
[8] The Gunners managed to crack the top four for the first time that season thanks to a convincing 4-0 trouncing of Premier League newboys Reading at the Madejski Stadium.
[15] December began with the first-ever north London derby at the Emirates Stadium against Tottenham Hotspur, which was decided ultimately by two controversial penalty calls from referee Graham Poll; both were converted by Gilberto Silva either side of half-time to add to Emmanuel Adebayor's opener as Arsenal won 3–0.
Nonda pulled one back for Blackburn with his second in the second half, but three goals in the last eight minutes through a brace from van Persie and a third of the season for Mathieu Flamini sealed a big victory.
[20] Van Persie scored a late winner at Watford after Tommy Smith had responded to Gilberto Silva's opener, taking the Gunners up to third in the table.
[29] A string of fine saves from visiting goalkeeper Robert Green, as well as many missed chances, saw the Gunners beaten 1–0 at the Emirates against West Ham United-their first defeat at the venue.
[33] In a big north London derby at White Hart Lane, Arsenal fell behind half an hour in before turning it around with Kolo Toure and Emmanuel Adebayor; however they were denied a win thanks to a late Jermaine Jenas equaliser.
The champions needed a victory to take their title race with Manchester United to the final day, but a penalty from Gilberto Silva and a red card from Khalid Boulahrouz had them trailing by a goal and a man at the break.
Arsenal began their FA Cup campaign in the third round, where they faced a tough draw in the form of fellow Premier League side Liverpool at Anfield.
Arsenal entered the competition in the third round and faced West Bromwich Albion at The Hawthorns, where striker Aliadière scored twice to secure a 2–0 victory for the visitors.
[40] Atkinson's decision infuriated the managers of both clubs, with Rafael Benítez commenting: "There were a lot of people looking forward to the game and it's really difficult to explain.
[47][48] Both clubs were fined £100,000 each by The Football Association for their inability to control their players and Eboué was retrospectively charged with violent conduct for striking Wayne Bridge.