Eddie Howe's side cut through the Gunners at St. James' Park to add to their two-goal lead from the first leg and emphatically make sure of their spot in the final, where they will face either Tottenham Hotspur or Liverpool.
It was a raucous atmosphere under the lights on Tyneside, with Johnny 'Bluehat' Davis performing Going Home: Theme of the Local Hero on saxophone before kick-off and a typically excellent Wor Flags display helping set the tone for a superb night for those in black and white.
Serena Taylor, Harriet Massey and Michelle Mercer were there to bring newcastleunited.com this gallery.