This article relates a transdisciplinary (participatory and interdisciplinary) research experiment conducted in the Territorial Living Lab for Ecological Transition (Burgundy Franche-Comté Region) that has led to constituting transdisciplinary epistemic communities. This research focuses on nine villages in this French region that have been selected to experiment with new designs for sustainable territorial development. It is part of an experimental scheme called “Villages of the Future” led by the Regional Council. These villages are less-than-2000-inhabitant municipalities, located in rural areas that are not under urban influence. The starting point is that development models based mainly on consumerism and the accumulation of wealth have shown their limits in a context of social and ecological transition. The implementation of these disciplinary epistemic communities leads to three main results: the passage from the villages’ storytelling to concrete projects, the enlargement of the local sphere of action and finally the impacts in terms of training this community’s stakeholders.