CREATE TABLE table_73842 ("Series #" FLOAT, "Season #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( million ) " TEXT)

Which episode had 2.75 million viewers in the U.S.?
SELECT "Title" FROM table_73842 WHERE "U.S. viewers (million)" = '2.75'
SELECT "Title" FROM "table_73842" WHERE "U.S. viewers (million)" = '2.75'