CREATE TABLE table_26825349_1 (original_air_date VARCHAR, us_viewers__millions_ VARCHAR)

The episode that had 8.62 million US viewers originally aired on which date?
SELECT original_air_date FROM table_26825349_1 WHERE us_viewers__millions_ = "8.62"
SELECT "original_air_date" FROM "table_26825349_1" WHERE "8.62" = "us_viewers__millions_"