CREATE TABLE table_25537 ("No." FLOAT, "#" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "U.S. viewers  ( million ) " TEXT, "Rank  ( week ) " TEXT, "Original air date" TEXT)

When is the original air date written by sean whitesell?
SELECT "Original air date" FROM table_25537 WHERE "Written by" = 'Sean Whitesell'
SELECT "Original air date" FROM "table_25537" WHERE "Written by" = 'Sean Whitesell'