next was brad williams, a radio news anchor and reporter from lacrosse, wisconsin, who isn't botheredmory. he says it comes in handy at work and playing trivia games. >> brad williams: i would get 6,000-7,000 points, everybody else would get 1,000 points. >> stahl: third was rick baron, from cleveland. do you remember every movie you've ever seen? >> rick baron: sure. >> stahl: and you remember when lots of television shows started? >> baron: anything-- movies... >> stahl: "60 minutes?" >> baron: tuesday, september 24, '68. the first sunday show was september 19, '71. >> august 1, 1974? >> bob petrella: thursday. >> why do you know that? >> petrella: that's my most memorable august 1. ( laughs ) >> why? >> stahl: and bob petrella... >> petrella: i moved to l.a. that year. >> stahl: ...a tv producer and writer who serves as the collective memory, and sometimes the evening entertainment, for his friends. >> petrella: 1996, april 27th, which was a saturday. >> it was a tuesday. >> petrella: no, april 27, '96. >> don't argue, he's right. >> oh, i'm in '93. >> petrella: see? >> it was a sa