Joe Calzaghe's fight against Mikkel Kessler will be shown on BBC One at 1310 GMT on Saturday, giving viewers another chance to see his finest hour.
Calzaghe made his 21st successful title defence against Kessler
Calzaghe secured the undisputed super- middleweight crown after the unanimous points decision in his favour.
The fight was originally screened on subscription satellite channel Setanta at 0130 GMT on Sunday.
"It's great that those who missed the fight will now have another chance to see it," said Calzaghe.
"I'm delighted that the BBC will be showing my fight, it was certainly the best performance in my pro career."
Calzaghe stretched his unbeaten record to 44 fights against Kessler at the Millennium Stadium, making his 21st title defence in the process.
Promoter Frank Warren added: "Saturday night was, for me, the greatest night in my 25 years in boxing and I'm absolutely delighted that the BBC will be replaying it this weekend."
BBC director of sport Roger Mosey said: "There has been a tremendous reaction to what was a great fight and we are responding to public demand by making it available on free-to-air television."
Straight after Calzaghe's bout, you will be able to watch a re-run on BBC Interactive of Enzo Maccarinelli's defence of his WBO cruiserweight title against Mohamed Azzaoui.