CREATE TABLE table_72896 ("Series #" FLOAT, "Season #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT)

Name who directed the episode for the series number 236
SELECT "Directed by" FROM table_72896 WHERE "Series #" = '236'
SELECT "Directed by" FROM "table_72896" WHERE "Series #" = '236'