Rich Koz is keeping the grandly eccentric tradition of the horror movie host alive on MeTV’s “Svengoolie.” Koz will get a monthlong salute in October dubbed “Svengoolie’s Halloween BOOnanza.” The salute includes “Svengoolie Uncrypted,” described by Koz as a documentary-entertainment special about his career. It will air Saturday at 9 p.m. Eastern on the MeTV broadcast network. It will be preceded at 7 p.m. by the airing of “Trilogy of Terror,” the 1975 TV movie starring Karen Black that became a cult classic. On Sundays throughout October, MeTV will feature scary episodes f...