Emeralds Are Not a Girl's Best Friend (II)
S2:E1
1982
IMDb
Rick and AJ are in Hawaii tailing a con artist who Higgins has just entrusted with $350.000 proceeds from his charity event-the three follow her to South America where they reel her in with a con of their own, using a huge emerald and AJ as bait. The crossover starts on Magnum, P.I. S03E03 Ki'i's Don't Lie (I)