Dirty John Based on a true-crime podcast, Dirty John follows Debra (played by Connie Britton) as her family's livelihood is put in grave danger when she falls head over heels for a con man named John Meehan. Both this show and Nine Perfect Strangers offer a thrilling take on the age-old question: How well do you truly know someone? Watch Dirty John on Netflix. Image Source: Everett Collection