CREATE TABLE table_30750 ("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  ( million ) " TEXT)

What is the name of episode 43 in the series?
SELECT "Title" FROM table_30750 WHERE "No. in series" = '43'
SELECT "Title" FROM "table_30750" WHERE "No. in series" = '43'