The Lyell team investigate the fatal crash of a private jet carrying an American diplomat.
A baby is abandoned in a dustbin, and the team battle an unexpected outbreak of diphtheria
Famous ex-couples reunite over a meal to answer some very awkward questions.
Intelligence agents around the world are under attack from alien forces.
Why did People's Temple leader Jim Jones compel his members to take their own lives?
Sam helps Max settle in to her first days of college life in Chicago.