Hart to Hart is an American mystery television series that premiered on August 25, 1979, on ABC. The show stars Robert Wagner and Stefanie Powers as Jonathan and Jennifer Hart, respectively, a wealthy couple who lead a glamorous jetset lifestyle and regularly find themselves working as unpaid detectives in order to solve crimes in which they become embroiled. The series was created by novelist and television writer Sidney Sheldon. The series ended after five seasons on May 22, 1984, but was followed by eight made-for-television movies, from 1993 to 1996.

Robert John Wagner Jr. is an American actor of stage, screen, and television. He is known for starring in the television shows It Takes a Thief (1968–1970), Switch (1975–1978), and Hart to Hart (1979–1984). He later had recurring roles on Two and a Half Men (2007–2008) and NCIS (2010–2019).