The 42nd season premiere of “Saturday Night Live,” hosted by Margot Robbie and featuring the first appearance by Alec Baldwin as Donald Trump, was the most-watched season debut in eight years. It averaged 8.30 million viewers and built by 31 percent from the year-ago season-opener (6.32 million for the Oct. 3, 2015).
In adults 18-49, the 42nd “SNL season premiere averaged a 2.34 rating/11 share – up 29 percent from the 1.82 rating one year earlier. Comparably, this is the highest-rated “SNL” season premiere in the demo since Sept. 28, 2013 (2.39 with host Tina Fey and musical guest Arcade Fire).
https://www.youtube.com/watch?v=MPNOmIHKYHo