Magnum, P.I. - All Thieves on Deck

 

Season six, episode 14. Aired Jan. 30, 1986. Paul Sand is in this one. Cruise ship. Don't remember this one at all before starting.

https://www.imdb.com/title/tt0639621/

http://magnum-mania.com/Episodes/Season6/All_Thieves_on_Deck.html