I need a point in the right direction with this soundtrack

I am looking to obtain the extended opening of Shirley Walker's theme to Superman the Animated Series, so far I have only located the one minute edited version. If you have watched the Superman: Last son of Krypton or the Batman/Superman Movie: World's Finest the credits playing afterwards allow you to hear the extended theme. Any help would gladly be appreciated.

, December 30, 2005; 4:15 PM