What was the minimum number of episodes in any of the series? 
CREATE TABLE "table1_1949994_8" (
  "no" real,
  "country" text,
  "local_title" text,
  "format" text,
  "start_date" text,
  "end_date" text,
  "episodes" real,
  "premiere_air_dates" text
);
SELECT MIN("episodes") FROM "table1_1949994_8";