This live special, celebrating 40 years of Saturday Night Live, is preceded by a red-carpet pre-show, at 7 p.m. ET, hosted by the hosts and personalities from the Today show. But it’s at 8 p.m. ET when this massive salute, uniting cast members, guests hosts and performers from various eras of SNL, for one live, lively, lengthy celebration. Serving as anchors are surviving cast members from the original cast of Not Ready for Prime Time Players, including Dan Aykroyd and Laraine Newman. And