When he introduces the reporter of "Expose America", he says she's the #1 reporter of "that country". In a previous episode, Mr. Roarke had referred to the USA as "the mainland", betraying that Fantasy Island is Hawaii (or at least, owned by the USA). A continuity discrepancy here.
despite this being a WWII re-enactment, all the rifles are firing on automatic, including oberstar's m1 garand. most members of the american squad are carrying enemy issue assault rifles.