Named after the movie Will Smith starred in that year "Six Degrees Of Separation".
Bryant Gumbel is in the picture of Carlton's valedictorian speech.
After the recital at the graduation ceremony, Will tells Ms. Bassin that he's never having kids. Interestingly enough, Will Smith and his, then, wife Sheree Zampino had Will's first child Willard Carroll "Trey" Smith III during the time season 3 was in production.