S5, EP10 "Charlie Foxtrot"
An armed hit team lays siege to Robin's Nest; TC is badly injured while Rick fights for his life.
S5, EP9 "Out of Sight, Out of Mind"
Magnum and Higgins take on a case that sends Higgins inside a psychiatric hospital; Katsumoto and his son, Dennis, head to the mainland to look at colleges, but their trip takes a harrowing turn when a run-in with a local turns ugly.
S5, EP8 "Dark Skies"
Magnum and Rick make a shocking discovery in the Capt. Greene case; Higgins and TC head to Maui to help an eccentric billionaire find the owner of a pesky drone that has been harassing him; Shammy helps Kumu after an incident occurs at La Mariana.
S5, EP7 "Birthright"
Magnum and Higgins investigate the robbery of an elderly man suffering from Alzheimer's; the ohana tries to help TC overcome a past trauma.
S5, EP6 "Dead Ringer"
Katsumoto's hearing date has arrived, and he will learn if his career in law enforcement is over for good or not; Magnum and Higgins are hired to investigate a man their client believes committed murder; Rick's suspicions grow on their relationship.
S5, EP5 "Welcome to Paradise, Now Die!"
Magnum recruits Katsumoto to help find a missing tourist; Higgins and Kumu attempt to solve the murder of a beloved dog; Rick enlists the aid of TC after he accidentally loses Magnum's pet mouse, Roberto II.
S5, EP4 "NSFW"
Magnum and Higgins search for a CEO who has mysteriously vanished; Rick braces for a visit from his wild-child little sister, Ruthie.
S5, EP3 "Number One With a Bullet"
Katsumoto takes a job providing security for a chart-topping K-pop star; Higgins and Rick find themselves in peril while trying to help Rick's friend.
S5, EP2 "The Breaking Point"
Magnum and Higgins go under cover as lifeguards to solve a murder; Jin Jeong wins a storage unit auction and enlists the help of Rick and TC upon finding a stolen military medal.
S5, EP1 "The Passenger"
Magnum and Higgins weigh the risks of pursuing a relationship; Rick juggles being a new father and running La Mariana; Katsumoto tries to figure out his next move.