What are the seasons where September 26, 2007 is the season premier?
CREATE TABLE "table1_10819266_8" (
  "season" real,
  "episodes" real,
  "time_slot_est" text,
  "season_premiere" text,
  "season_finale" text,
  "tv_season" text,
  "rank" text,
  "viewers_in_millions" text
);
SELECT "tv_season" FROM "table1_10819266_8" WHERE "season_premiere"='September 26, 2007';