"Real Sent Sonny" is the 310th episode of Gunsmoke, which aired on March 16, 1958. In this gripping installment, a young and impressionable gunman named Sonny Garnett is sent to Dodge City by the notorious Nate Schuyler to kill Marshal Matt Dillon. However, despite his violent intentions, Sonny finds himself conflicted when he realizes the complexities of his mission and forms a bond with the people of Dodge. As Dillon uncovers the young man's true intentions and past, he must navigate the moral dilemmas that arise, showcasing a mixture of action and psychological depth.