How many first-run episodes of 'Magnum P.I.' were aired by the CBS network over the eight seasons that it ran?

'Magnum, P.I.' is an American action drama television series starring Tom Selleck as Thomas Magnum, a private investigator in Hawaii.

The series ran on CBS, which broadcast 162 first-run episodes over eight seasons, from December 11, 1980, to May 1, 1988.

In the pilot episode, Magnum accidentally uncovers a drug operation in the islands when picking up an old Navy friend of his at the airport and helps his friend's sister uncover the truth about a conspiracy involving the NIA (a fictitious National Intelligence Agency) and Southeast-Asian drug dealers. Magnum makes a casual reference to predecessor series Hawaii Five-O after his pursuers drive over a cliffside. When his friend winds up dead, Magnum must find his killers and uncover a smuggling ring that leads him to people from his past during the Vietnam War.