CREATE TABLE table_17032 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "U.S. viewers  ( millions ) " TEXT)

When is the first season there were 14.57 million U.S viewers?
SELECT MIN("No. in season") FROM table_17032 WHERE "U.S. viewers (millions)" = '14.57'
SELECT MIN("No. in season") FROM "table_17032" WHERE "U.S. viewers (millions)" = '14.57'