Dann Seki

HAWAII FIVE-0S1, E4

Lanakila

A violent convict escapes from prison and kidnaps a young couple on vacation; McGarrett's estranged sister comes to town.
HAWAII FIVE-0S7, E9

Elua La Ma Nowemapa

A conspiracy theorist with compelling information that JFK's own cabinet planned his assassination is murdered.
HAWAII FIVE-0S8, E23

Ka Hana a Ka Makua, O Ka Hana No Ia a Keiki

McGarrett and Five-0 take on the mob when a former boss is killed; Junior's friend is on the run after witnessing the murder.
LOSTS1, E18

Numbers

Hurley becomes obsessed with finding the Frenchwoman and heads off into the jungle to find her, leaving Jack, Sayid and Charlie no choice but to follow him.
MAGNUM P.I.S4, E7

A New Lease on Death

When Rick is asked to assist with a federal investigation of his childhood friend Robbie, Magnum launches his own investigation to see what the federal agents really have on him; Kumu goes under cover in a retirement community.