CREATE TABLE table_26288 ("Episode #" FLOAT, "Prod #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Originalairdate" TEXT, "Filmed" TEXT)

What month and year was 'storm warning (part one)' filmed?
SELECT "Filmed" FROM table_26288 WHERE "Title" = 'Storm Warning (part one)'
SELECT "Filmed" FROM "table_26288" WHERE "Title" = 'Storm Warning (part one)'