Magnum, P.I. is a crime drama television series starring Tom
Selleck as Thomas Magnum, a private investigator (P.I.) living
on Oahu, Hawaii. The series ran from December 11, 1980 to
May 8, 1988 during its first-run broadcast on the American
television network CBS. Magnum, P.I. consistently ranked in
the top 20 U.S. television programs in the Nielsen ratings
during the first five years of its original run in the U.S.,
finishing as high as number three.