GOOD BEHAVIOR TNT, SUNDAY, 10 ET/PT
Downton Abbey alum Michelle Dockery is back as Letty, a thief and con artist, in the second season of this drama. In the premiere, Letty has finally regained custody of her son, Jacob (Nyles Julian Steele), and tries to settle down with Javier (Juan Diego Botto), a former assassin, to live a normal life. The only problem: The couple are still dabbling in criminal activity.