Back to the Rafters picks up six years since we last saw the Rafter family. Dave and Julie have created a new life in the country with youngest daughter Ruby, while the older Rafter children face new challenges and Grandpa Ted struggles to find his place. As Dave enjoys his new-found freedom, Julie must reconcile her responsibilities to the family.
After 25 years of marriage, parents Dave and Julie are about to have the house to themselves as their last child finally moves out of home. However, just as peace and quiet looms, a series of unexpected events see their three children Rachel, Ben and Nathan return home to once-again create a full house.
When three normal teenage girls stumble upon a ancient cave they undergo a transformation that will change their lives forever. H20 - Just Add Water, sees three very different girls facing everyday teen problems with an added twist - they're mermaids with incredible powers over water.