CREATE TABLE table_74427 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "U.S. viewers  ( million ) " TEXT)

who directed the episode that have 0.25 million u.s viewers
SELECT "Directed by" FROM table_74427 WHERE "U.S. viewers (million)" = '0.25'
SELECT "Directed by" FROM "table_74427" WHERE "U.S. viewers (million)" = '0.25'