MK Dons stunned AFC Wimbledon with an injury-time winner to triumph in the first meeting between the sides and book a place in the FA Cup third round.
Stephen Gleeson's superb strike broke the deadlock for the hosts in a game that was struggling to match its hype.
AFC levelled when Jack Midson headed in a rare attack for the visitors, as travelling fans ran on to the pitch.
But Jon Otsemobor's outstretched foot directed the ball over goalkeeper Neil Sullivan's head in a dramatic finale.
MK v AFC - The history
2000: Wimbledon are relegated from the Premier League.
2001: Wimbledon announce their intention to relocate to Milton Keynes.
2002: AFC Wimbledon are formed by fans who are furious at the proposed move and the club begin life in the Combined Counties League Premier Division, playing at Kingstonian's Kingsmeadow ground.
2003: With the club in administration, Wimbledon move to Milton Keynes, taking up residence at the National Hockey Stadium.
2004: Wimbledon come out of administration and are rebranded as MK Dons and are relegated to League One in the same year. AFC Wimbledon win promotion to the Isthmian League First Division.
2005: AFC Wimbledon promoted to Isthmian League Premier Division.
2006: MK Dons relegated to League Two.
2007: MK Dons move to Stadium MK.
2008: MK Dons promoted to League One; AFC Wimbledon promoted to Blue Square Bet South division.
2009: AFC Wimbledon promoted to Blue Square Bet Premier.
2011: AFC Wimbledon are promoted to League Two via the Blue Square Bet Premier play-offs - a fifth promotion in nine seasons.
2012: AFC Wimbledon announce plans to move to a stadium in their spiritual home of Wimbledon.
The fixture has been 10 years in the making, since AFC Wimbledon were formed by disgruntled Wimbledon FC fans in protest of their club's proposed move to Milton Keynes.
The move went ahead after an independent panel set up by the Football Association gave it the go-ahead and Wimbledon were uprooted 56 miles to Buckinghamshire and subsequently renamed MK Dons eight years ago.
MK and their chairman Pete Winkelman have endured criticism from most of football, being accused of ripping a club from its community and carrying around the tag of "Franchise FC".
For AFC Wimbledon, this was an opportunity to show how far they had come - how they had started in the ninth tier of English football and risen to League Two - and to remind the world there is a club that bears the Wimbledon name.
MK on the other hand had a chance to show that, regardless of how they came into existence, they are a club with designs of playing attractive football in front of a young, new fanbase.
Wimbledon performed one of the greatest FA Cup final upsets of all time when they beat Liverpool 1-0 at Wembley in 1988. MK boss Karl Robinson, a proud Liverpool fan, has admitted he cried after watching Lawrie Sanchez score the goal that handed the trophy to the Crazy Gang.
But, while both sets of supporters rose to the challenge at Stadium MK, the early action failed to match the build-up.
The most eye-catching moment in the first 30 minutes was above the pitch when a plane, chartered by AFC supporters, flew over tugging a banner reading "We are Wimbledon".
Angelo Balanta's shot wide of the post was all MK had to show for their dominance in possession.
It was no surprise when the League One side went ahead but the nature of the goal was out of keeping with the game up to that point. Gleeson's stunning 25-yard effort flew into the top-right corner and put the hosts ahead on the stroke of half-time.
MK would have expected an instant reaction from AFC after the break but could have been out of sight themselves, with Sullivan, who played 224 times for the old Wimbledon, getting a hand to Ryan Lowe's close-range effort and Dean Bowditch shooting into the side netting with the goal gaping.
Former Wimbledon player and manager Dave Bassett:
"When Wimbledon scored their goal you would have expected MK to change but they were slow and predictable. They were going backward and sideways with their passes too often. They didn't do anything quicker and it looked like Wimbledon would get their draw, in fact Wimbledon had a great chance to win the game. But that is Cup football."
The AFC response came from a rare burst forward when Toby Ajala's cross was nodded in tidily by Midson.
His celebrations were accompanied by a crowd of AFC supporters who had streamed on to the pitch, letting 10 years of emotion get the better of them in unsavoury scenes that were quickly calmed by stewards.
It was a series of events that raised the atmosphere in the ground from tense to boisterous and both sides reacted, feeling the urgency and the desire of their supporters to claim a memorable victory.
Ryan Lowe thought he had done just that for Robinson's side but his celebrations were cut short by an offside flag against Zeli Ismail, who had laid on the chance for the striker.
The League Two side then had a great chance of their own but Steven Gregory was unable to beat David Martin, another former Wimbledon keeper, when one-on-one having capitalised on Darren Potter's mistake.
And, just when it looked like a replay and a quickfire second encounter was on the cards, MK stole it in the dying minutes.
AFC failed to fully clear an MK corner, Ismail struck a shot into the ground that Otsemobor flicked his leg against and turned to see the ball loop over a helpless Sullivan.
A few MK supporters failed to resist the urge to celebrate on the pitch, but, when order was restored, Robinson's side managed to stand strong against a late onslaught to treasure a satisfying win and leave their opponents desolate.
VIEWS FROM THE DRESSING ROOM
MK Dons manager Karl Robinson said:
"It's been a tough week. It's been enjoyable but it's also been difficult.
"I thought the game typified two sets of teams with great hunger and passion for the club they play for. Two teams can walk away from this stadium very proud of each other.
"I wanted this game to go smoothly, I wanted it to be conducted in a manner that was right for the English game and I thought we all did that.
"Maybe I got a bit excited with the goal at the end but I'm not going to apologise for that.
"I love this club and the players who wear our shirt. I'm sure you'd rather see me celebrating like a lunatic than just stood there with a stone-face smile."
AFC Wimbledon manager Neal Ardley said:
"I've got mainly pride. Pride for the players. We worked hard on a game plan and we felt it was the best way we could cause an upset. Every single player to a man carried those instructions out.
"They got a great first goal and a bizarre second. But we were inches from going in front so we can't ask any more than that.
"My main fear was not doing the fans proud and I can sit here now, despite hurting from the defeat, and say we did that.
"We knew we would end up having very little possession. We knew we couldn't press them high up the pitch because they play between the lines very well.
"The game plan went to a tee but we were hoping for that stroke of luck and perhaps that wasn't with us."
Milton Keynes Dons
- 01 Martin
- 02 Otsemobor
- 03 Lewington
- 24 Kay
- 06 Williams
- 07 Gleeson
- 08 Potter
- 26 Chadwick (Doumbe - 90' )
- 09 Bowditch
- 14 Lowe (Smith - 80' )
- 29 Balanta (Ismail - 66' )
- 16 McLoughlin
- 04 Doumbe
- 12 Chicksen
- 11 Smith
- 32 Ismail
- 10 MacDonald
- 28 Sekajja
- 35 Sullivan
- 02 Osano
- 15 Fenlon (Balkestein - 90' )
- 29 Antwi
- 30 Mambo
- 07 Long
- 28 Gregory
- 38 Ajala Booked
- 09 Harrison (Strutton - 71' )
- 10 Midson Booked
- 11 L Moore Booked (Johnson - 80' )
- 33 Jaimez-Ruiz
- 05 Balkestein
- 06 Mitchell-King
- 14 McNaughton
- 17 Johnson
- 34 Djilali
- 21 Strutton
Live Text Commentary
Full Time The referee ends the match.90:00 +4:08 Substitution
Substitution Mathias Doumbe on for Luke Chadwick.90:00 +1:02 Goal scored
Goal! - Jon Otsemobor - MK Dons 2 - 1 Wimbledon Goal scored by Jon Otsemobor from inside the penalty box to the top right corner of the goal. Milton Keynes Dons 2-1 AFC Wimbledon.90:00 +0:41
Corner taken right-footed by Dean Bowditch. The assist for the goal came from Zeli Ismail. Blocked by Will Antwi. Zeli Ismail takes a shot.89:07
Inswinging corner taken from the left by-line by Stacy Long.89:07 Substitution
Substitution Pim Balkestein joins the action as a substitute, replacing Jim Fenlon.89:07
Steven Gregory takes a shot. David Martin makes a brilliant save.88:04
Free kick awarded for an unfair challenge on Shaun Williams by Charlie Strutton. Antony Kay takes the free kick.87:07
Stephen Gleeson fouled by Jack Midson, the ref awards a free kick. Shaun Williams restarts play with the free kick.86:22
Dean Lewington delivers the ball, clearance made by Will Antwi.86:00
Shaun Williams has an effort at goal from 35 yards. Stacy Long gets a block in.85:17
Direct free kick taken by Dean Lewington.85:17 Booking
Booking Toby Ajala receives a caution for unsporting behaviour.85:01
Toby Ajala challenges Dean Lewington unfairly and gives away a free kick.83:18
Curtis Osano gives away a free kick for an unfair challenge on Stephen Gleeson. Free kick crossed by Dean Bowditch, clearance made by Yado Mambo.82:05
Antony Kay delivers the ball, clearance by Yado Mambo.81:09
Charlie Strutton is ruled offside. Indirect free kick taken by David Martin.79:58 Substitution
Substitution Huw Johnson comes on in place of Luke Moore.79:07 Substitution
Substitution Ryan Lowe leaves the field to be replaced by Alan Smith.78:03
The ball is swung over by Dean Bowditch, Jim Fenlon manages to make a clearance.
The ball is sent over by Zeli Ismail, Curtis Osano manages to make a clearance.75:00
Zeli Ismail crosses the ball, Will Antwi makes a clearance.70:54 Substitution
Substitution Charlie Strutton joins the action as a substitute, replacing Byron Harrison.70:10
Jack Midson concedes a free kick for a foul on Stephen Gleeson. Stephen Gleeson takes the direct free kick.69:10
The referee blows for offside. Neil Sullivan restarts play with the free kick.67:48
Unfair challenge on Antony Kay by Byron Harrison results in a free kick. Antony Kay takes the free kick.65:13 Substitution
Substitution Zeli Ismail replaces Angelo Balanta.63:58
Luke Chadwick sends in a cross, clearance by Will Antwi.63:14
Stephen Gleeson fouled by Toby Ajala, the ref awards a free kick. Shaun Williams takes the free kick.62:01
Luke Chadwick crosses the ball.60:02 Booking
Booking Jack Midson is cautioned.58:28
Toby Ajala provided the assist for the goal.58:28 Goal scored
Goal! - Jack Midson - MK Dons 1 - 1 Wimbledon Jack Midson finds the back of the net with a headed goal from inside the area. Milton Keynes Dons 1-1 AFC Wimbledon.56:05
Shaun Williams gives away a free kick for an unfair challenge on Byron Harrison. Direct free kick taken by Stacy Long.55:51
The ball is delivered by Dean Bowditch, save by Neil Sullivan.51:50
Effort from inside the area by Dean Bowditch misses to the left of the goal.51:17
Inswinging corner taken from the left by-line by Dean Bowditch.50:20
Angelo Balanta takes a shot. Curtis Osano gets a block in. Inswinging corner taken by Dean Bowditch, clearance made by Jack Midson. Shaun Williams delivers the ball, clearance by Byron Harrison.48:42
Curtis Osano delivers the ball, David Martin makes a comfortable save.48:05
Stephen Gleeson takes a shot from long range which goes wide of the right-hand post.45:40
Dean Lewington shoots direct from the free kick, Neil Sullivan makes a save. Corner taken right-footed by Dean Bowditch.45:40 Booking
Booking Luke Moore is shown a yellow card.45:31
Unfair challenge on Stephen Gleeson by Luke Moore results in a free kick.45:13
Luke Moore gives away a free kick for an unfair challenge on Dean Bowditch. Free kick taken by Stephen Gleeson.45:01
The referee gets the second half started.45:00 +2:05 Half time
Half Time The first half comes to an end.45:00 +1:47
Byron Harrison is caught offside. David Martin takes the indirect free kick.44:49
Assist on the goal came from Shaun Williams.44:49 Goal scored
Goal! - Stephen Gleeson - MK Dons 1 - 0 Wimbledon Stephen Gleeson finds the net from 35 yards. Milton Keynes Dons 1-0 AFC Wimbledon.42:34
The ball is sent over by Dean Lewington, save by Neil Sullivan.40:43
Free kick awarded for an unfair challenge on Dean Lewington by Jack Midson. Dean Bowditch delivers the ball from the free kick right-footed from left channel.40:29
Jon Otsemobor delivers the ball, Will Antwi makes a clearance.39:06
Free kick awarded for a foul by Luke Chadwick on Jim Fenlon. Neil Sullivan takes the direct free kick.36:58
The referee gives a free kick against Byron Harrison for handball. Darren Potter takes the direct free kick.28:45
Corner taken right-footed by Dean Bowditch from the left by-line, clearance made by Will Antwi. Effort from just outside the area by Luke Chadwick goes over the bar.27:12
Will Antwi gives away a free kick for an unfair challenge on Shaun Williams. David Martin takes the free kick.26:05
The ball is crossed by Jack Midson, clearance made by Dean Lewington. Luke Moore takes a short corner.22:19
Free kick awarded for a foul by Dean Bowditch on Jim Fenlon. Neil Sullivan takes the free kick.20:48
Dean Lewington sends in a cross, Jim Fenlon makes a clearance.19:15
Dean Lewington crosses the ball, Will Antwi manages to make a clearance.17:46
Angelo Balanta has an effort at goal from just outside the box which goes wide of the right-hand upright.17:20
Jim Fenlon concedes a free kick for a foul on Dean Bowditch. Direct free kick taken by Jon Otsemobor.16:28
Unfair challenge on Toby Ajala by Dean Bowditch results in a free kick. Free kick taken by Neil Sullivan.14:38
Free kick awarded for an unfair challenge on Dean Lewington by Jack Midson. Direct free kick taken by Shaun Williams.11:20
Free kick awarded for an unfair challenge on Toby Ajala by Stephen Gleeson. Direct free kick taken by Yado Mambo.9:21
Inswinging corner taken by Stacy Long, Antony Kay manages to make a clearance. Steven Gregory has a volleyed shot. Blocked by Shaun Williams.6:07
Free kick awarded for an unfair challenge on Darren Potter by Jack Midson. A cross is delivered by Darren Potter, Jon Otsemobor takes a shot. Save made by Neil Sullivan. Shaun Williams gives away a free kick for an unfair challenge on Byron Harrison. Free kick crossed right-footed by Stacy Long, David Martin makes a comfortable save.5:39
Dean Bowditch delivers the ball, clearance by Jim Fenlon.5:02
The ball is delivered by Dean Lewington, Will Antwi makes a clearance.4:41
Unfair challenge on Dean Lewington by Toby Ajala results in a free kick. Dean Lewington restarts play with the free kick.2:28
A cross is delivered by Luke Chadwick, Curtis Osano manages to make a clearance. Effort from just outside the area by Dean Lewington goes over the bar.0:00
The referee starts the match.
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