CREATE TABLE table_25405 ("Season" FLOAT, "Episodes" FLOAT, "Timeslot  ( ET ) " TEXT, "Season Premiere" TEXT, "Season Finale" TEXT, "TV Season" TEXT, "Rank" TEXT, "Viewers  ( in millions ) " TEXT)

How many episodes had a season premiere on December 11, 2010?
SELECT COUNT("Episodes") FROM table_25405 WHERE "Season Premiere" = 'December 11, 2010'
SELECT COUNT("Episodes") FROM "table_25405" WHERE "Season Premiere" = 'December 11, 2010'