There’s also a hidden feature to be found on Sony Pictures Home Entertainment’s Blu-Ray version of Sylvester Stallone’s “Rocky Balboa.”
To find it, from the disc’s Main Menu go to the “Special Features” section. There highlight the “Off” menu entry under the “Commentary Track” option. Now press the “Right” arrow key on your remote control three times and follow it up with the “Enter” key. You will now have the chance to see a brief clip about the fight make-up of Rocky Balboa.