CREATE TABLE table_25689 ("Episode Number" TEXT, "Title" TEXT, "Villains" TEXT, "Director" TEXT, "Writer" TEXT, "Original airdate" TEXT)

What was the original air date of the episode 'nano nits'?
SELECT "Original airdate" FROM table_25689 WHERE "Title" = 'Nano Nits'
SELECT "Original airdate" FROM "table_25689" WHERE "Title" = 'Nano Nits'