Posted in: NBC, Peacock, TV | Tagged: saturday night live, snlSNL Cast, Host Alexander Skarsgard Check In From Read-ThruCheck out NBC's Saturday Night Live host Alexander Skarsgård and members of the SNL cast checking in from Wednesday night's read-thru. Article Summary Alexander Skarsgård joins the SNL cast for a lively read-thru ahead of this weekend’s episode. Watch three brand-new “Cut For Time” SNL sketches from last weekend's show. That means it's time to check in with Skarsgård and the SNL cast during Wednesday night's formal read-thru. NBC's Saturday Night Live premiered on Oct. 11, 1975, and broadcasts live from NBC's famed Studio 8H in New York City's Rockefeller Center.