Previous Seasons Revisited: What Happened?

We meet former participants who are now finally finished with their projects. Or are they? And how are they, now that the house project is finished? Is everything working as it should in Erik and Laura's round straw bale house in Umeå? How many tomatoes is there room for in Johan and Sylvia's nature house in Lerum? And have Mea and Bruno in Fyledalen finally moved into their small little house on the farm?