CREATE TABLE table_29045 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( millions ) " TEXT)

The episode that had 8.62 million US viewers originally aired on which date?
SELECT "Original air date" FROM table_29045 WHERE "U.S. viewers (millions)" = '8.62'
SELECT "Original air date" FROM "table_29045" WHERE "U.S. viewers (millions)" = '8.62'