Episode 1
Magnum and Higgins are on their way to London to attend to urgent business for Robin Masters and find themselves stirring up the past.
Episode 2
Thomas helps Penelope to continue to investigate Geoffrey's death and learns of Higgins' reluctance to visit his father.
Episode 3
Magnum welcomes a former high school friend who enlists his help to rescue a highly trained dolphin.
Episode 4
After saving Lauren Henderson from nearly drowning, Magnum falls in love with her and is drawn into a difficult situation.
Episode 5
Magnum's services are enlisted during the imminent opening of an International Convention of Jewelry Designers at an Island hotel.
Episode 6
Magnum discovers that the death of TC's good friend was accidental.
Episode 7
Magnum returns home after 13 years to attend his beloved grandfather's funeral.
Episode 8
Magnum discovers that cattle rustlers abound on the Island of Hawaii.
Episode 9
Magnum is hired to work with a representative of a publishing company to supervise a treasure hunt.
Episode 10
Magnum sees to it that a leak in the security system of a U.S. naval base at Pearl Harbor is eliminated.
Episode 11
Magnum becomes obsessed with finding a boy he thinks he has seen while scuba diving in Hawaiian waters.
Episode 12
Bizarre accidents overshadow the glitter and glamour of carnival on the island.
Episode 13
Magnum is the target of racketeers who want him dead and Robin Masters' nephew impersonates him, with very dangerous consequences.
Episode 14
Magnum decides to investigate the mystery surrounding Higgins' sudden departure from Robin's Nest.
Episode 15
Magnum, TC, Rick and Higgins must guard the statuette of a priceless Hawaiian Family God on route to the Hilo Museum.
Episode 16
When Rick's boat returns from a cruise empty, Magnum, TC and Higgins go in search of Rick and his passengers who are presumed dead.
Episode 17
Magnum tastes death when he is set up by a hit man.
Episode 18
While searching for a missing boy, Magnum comes across a black market baby business.
Episode 19
Higgins must cope with a visiting dignitary, an invitational chess tournament and the appearance of his flamboyant half brother.
Episode 20
Friendships are tested when Rick becomes a million dollar lottery winner while TC and Magnum fight the destruction of TC's club house for underprivileged and troubled kids.
Episode 21
Magnum's encounter with a photographer uncovers an embezzler long thought dead.
