NBC | 11:29 pm
Woody Harrelson, whose horror sequel "Zombieland: Double Tap" is due in cinemas this weekend, takes the spotlight as host for the fourth time to open Season 45 of this venerable late-night comedy series. Billie Eilish, whose summer hit "bad guy" hit No. 1 on the Billboard Hot 100, is the musical guest. Returning cast members include Emmy winner Kate McKinnon and Kenan Thompson, the longest-running cast member in "SNL" history.