"The War of the Worlds" was a Halloween episode of the radio series The Mercury Theatre on the Air which was broadcast live at 8 pm ET on October 30, 1938 over the CBS Radio Network. The episode was directed and narrated by Orson Welles as an adaptation of H. G. Wells' novel The War of the Worlds and is infamous for inciting a panic by convincing some members of the listening audience that a Martian invasion was actually taking place.