CREATE TABLE table_3450 ("No. in series" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "U.S. viewers  ( million ) " TEXT)

What was the original air date of 'unprepared'?
SELECT "Original air date" FROM table_3450 WHERE "Title" = 'Unprepared'
SELECT "Original air date" FROM "table_3450" WHERE "Title" = 'Unprepared'