There is not a season 4, nor are they planning a seon 4. There is a new دکھائیں called Mako Mermaids سے طرف کی the same producer that is related to h2o. It's really good and has similarities (powers, moon pool,...)
posted پہلے زیادہ سے سال ایک
original is so much better that now the new one i hate..