CREATE TABLE table_27117365_1 (original_air_date VARCHAR, us_viewers__million_ VARCHAR)

What original air date has 5.85 u.s. viewers (million)?
SELECT original_air_date FROM table_27117365_1 WHERE us_viewers__million_ = "5.85"
SELECT "original_air_date" FROM "table_27117365_1" WHERE "5.85" = "us_viewers__million_"