bob petrella is one of the only people in the world who possess the extraordinary ability to remembery every day of his life. but it turns out there's something else in bob's memory too-- a basketball team whose history he has charted for more than 50 years called the holland college golden knights. holland has played in ten ncaa championships and won five. never heard of them? well, there's a reason why you haven't. how old were you when you first created the basketball team? >> bob petrella: i was 13. january 3, 1964-- it was a friday. holland coming down. up by only two. >> stahl: you haven't heard of holland college because it doesn't actually exist. >> petrella: 28 seconds left in the game. >> stahl: they're an imaginary team that bob petrella made up. >> petrella: and the crowd on its feet now. >> stahl: this is our simulation of one of holland college's games, with bob doing the play- by-play. >> petrella: marcus hayes to demar harvey. >> stahl: he's been imagining these games for 50 seasons, and he remembers every one of them. who were the starting forwards in 1983? >> petrell