Christine Lahti joined the cast in a recurring role as McGarrett's mother, Doris,[1] who had been revealed to actually still be alive at the end of the previous season.

"[2] Her role lead to a return of McGarrett's girlfriend Catherine, who "shamelessly flirted" with a federal agent to get information about her.

One episode was slated to flash back to Danny's New Jersey police days when he had to deal with Rhames's character, leading to a possible recurring role in the present.

McGarrett reluctantly begins to reconcile with his presumed-dead mother Doris (Christine Lahti), who was revealed to be Shelburne in the previous episode.

Delano asks Wo Fat to help him smuggle drugs out of Hawaii, and in exchange he will give him Shelburne's location.

McGarrett returns to Hawaii and places Doris into custody under his girlfriend Catherine Rollins (Michelle Borth).

[33][34][35][36] In the UK the third season of Hawaii-Five-0 airs as part of Sky 1 Sundays at 9pm and is followed by crossover show NCIS: Los Angeles.