When you buy through our links, Insider may earn an affiliate commission. Learn more.Penn Badgley returns as Joe Goldberg in season four of "You" on Netflix.Netflix "You" season four starts streaming exclusively on Netflix on February 9. The new season finds serial killer Joe Goldberg masquerading as a London university professor. Netflix starts at $7 a month with ads, and ad-free plans start at $10 a month. New episodes of the hit psychological thriller "You" drop February 9 on Netflix.