Magnum, P.I. - Season 5 Episode 12
Little Games

Higgins is outraged when Thomass game playing crashes the estates security computer system, thereby jeopardizing the selection of the estate for an upcoming multi-million dollar jewelery design competition; Thomas enlists Macs help in reprogramming the computer in exchange for bailing him out of jail after hes been arrested for possession of stolen goods; after challenging Krista, the insurance companys wily security investigator who learned her trade at the knee of her jewel thief father, to test the Estates security system after Mac gets the system up and running again, Thomas discovers that Mac has greatly overstated his programming abilities and that Krista has greatly understated her fathers retirement.