Overrated: BB12 (on here), BB9 (got boring after The Whisper Club left), BB14 (was carried by a few HMs, most were dull as ******), BB2/3 (not seen both but they really don't look as good as some make them out to be.
Underrated: BB8 <3 (it's actually a great series with so many loveable females
), BB13 (no clue why some are saying BB14 was superior... BB13 **** all over it)