Checkmate

Melody for Murder (1x21)

Air date: Feb 25, 1961

Rock 'N' Roll star Buddy Robbins (played by 1950s pop star Jimmie Rodgers) has been receiving chilling death threats, and his agent hires Checkmate to investigate. Jed goes undercover as an aide to Buddy. After someone fires a shot at Buddy, Jed discovers that the person who made the threats and the person who fired the shot are not the same person.