CREATE TABLE table_30133 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "U.S. viewers  ( millions ) " TEXT)

when was the episode titled 'cracked' originally aired?
SELECT "Original air date" FROM table_30133 WHERE "Title" = 'Cracked'
SELECT "Original air date" FROM "table_30133" WHERE "Title" = 'Cracked'