Plymouth remain at the top of the table, despite losing 1-0 away at third placed Oxford United.
Liam Sercombe scored the only goal of the game to pick up three points for the U’s and cut the gap at the top to just two points.
Portsmouth failed to capitalise on Argyle’s defeat as they could only manage a 1-1 draw with Stevenage.
Conor Chaplin looked to have sent Pompey top, but Brett Williams’ injury time strike earned former player Teddy Sheringham a point on his return to Fratton Park.
Mansfield stay fourth after a dramatic win against lowly Yeovil as Reggie Lambe’s goal in the ninth minute of injury time denied the Glovers the point that would have lifted them out of the bottom two.
Northampton jumped into fifth as they came from behind to beat Carlisle 3-2 at Sixfields.
Two goals from Dominic Calvert-Lewin and a Sam Hoskins strike was enough to see off the Cumbrians.
Leyton Orient’s 1-1 draw with Luton drops them down to sixth in the table.
Jay Simpson’s 11th goal of the season brought the O’s level early in the second half, but neither side could find a winner.
Morecambe have also joined the play-off party by beating Crawley 3-1.
Goals from Kevin Ellison, Shaun Miller and a Paul Mullin penalty lifts the Shrimps to seventh.
Accrington’s defeat in a seven-goal thriller at home to AFC Wimbledon drops them to eighth.
Two goals apiece for Lyle Taylor and Dannie Bulman sent the Dons home with all three points.
At the bottom of the table, Newport gave themselves a much needed boost as they recorded just their second victory of the season with a 2-0 away victory at promotion chasing Wycombe.
Scott Boden netted the second to give new boss John Sheridan his first victory and put the Welsh side in the drop zone by only goal difference.
Dagenham and Redbridge’s draw against York City leaves both sides dangerously close to the relegation zone.
Michael Coulson’s leveller for the Minstermen keeps the Daggers out of the bottom tow on goal difference, while City sit just one place and three points above.
In the week’s other games, Tom Nichols’ stunning strike gave Exeter a 1-0 victory over Cambridge, Hartlepool drew 1-1 at home to Barnet and Bristol Rovers played out a goalless draw against Notts County.
Player of the Week: Dannie Bulman (Wimbledon)
Team of the Week: Newport
Goal of the Week: Lyle Taylor (Wimbledon’s 4th goal)