CREATE TABLE table_17388 ("No. in series" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT)

WHO WROTE 'DAD'S DEAD
SELECT "Written by" FROM table_17388 WHERE "Title" = 'Dad''s Dead'
SELECT "Written by" FROM "table_17388" WHERE "Title" = 'Dad\'s Dead'