An inspired second half display from the Dragons saw them take control of this barely believable championship race.
Goals from Paul Mullin, Jacob Mendy and Elliot Lee handed the hosts a three point lead - and a late, late penalty save from Ben Foster added to the incredible drama.
Manager Phil Parkinson said after the 3-2 win: “It was a high calibre game - and great advert for the division.
“Thankfully we came out on top but all credit to Notts County for making it such a wonderful match, but we are keeping our feet firmly on the ground.”
It wasn’t such a great day for Scunthorpe United who were relegated to the National League North after home defeat to Oldham Athletic.
Yeovil Town now need a miracle to avoid joining them in Step 2.
Jason Prior’s goal means Dorking Wanderers should be safe but Torquay United win for a fourth game in a row.
Frank Nouble’s double did for Maidenhead but Aldershot’s fightback at Eastleigh means they have work to do still.
The big play-off battle ended 1-1 between Bromley and Boreham Wood, Lee Ndlovu earned Luke Garrard’s team a point after Michael Cheek’s opener.
King’s Lynn Town are back on top of the National League North.
Josh Coulson’s double helped the Linnet’s to a fine 2-0 win at Alfreton Town.
Kidderminster did them a favour by turning over leaders AFC Fylde 2-0.