Jonathan Hart is a fictional character from the television series "Hart to Hart," which aired from 1979 to 1984. He is portrayed as a wealthy and charming amateur detective who, along with his wife Jennifer, solves various mysteries and crimes. The show combines elements of romance, adventure, and suspense, making it popular during its run. The character of Jonathan Hart is known for his intelligence and resourcefulness. He often uses his skills as a successful businessman to navigate complex situations. The series also features a strong partnership with his wife, highlighting their teamwork and relationship as they tackle challenges together.