CREATE TABLE table_28027307_1 (no_in_series NUMBER, us_viewers__millions_ VARCHAR2)

What number episode in the series was watched by 10.96 million U.S. viewers?
SELECT MIN(no_in_series) FROM table_28027307_1 WHERE us_viewers__millions_ = "10.96"
SELECT MIN("no_in_series") FROM "table_28027307_1" WHERE "10.96" = "us_viewers__millions_"