This poster is inspired by my recent research work on the 2011 Fukushima disaster. It depicts how ‘Fukushima’ has registered in narratives, pictures, and images in my home country of Belgium, evoking hope, despair, anger, and awe. Fukushima travels a complicated route, and is transformed and repackaged in various ways. Alongside the dominant, mediatized narratives of expert reasoning (‘Here are the facts’) and fear (‘It could happen here’), we encounter denial and technological solutionism (‘Important milestone in Fukushima cleanup’), as well as aspirations of transformation and renewal. The latter include experiments in citizen science, with citizens in Japan and elsewhere generating their own scientific data and tools, and seeking to open research and science policymaking to the wider public. As a social scientist who collaborates with nuclear scientists and technologists and who informs policymakers, I am drawn to these new starting points and to how travels between Japan and Europe can generate new fields of possibility for stakeholders interested in civic engagement, mutual learning, and democratic renewal. While inevitably partial and unfinished, my impressions are meant to be generative, bringing complex practical and speculative considerations into the picture so that others could get an idea of what is at stake in citizen science after Fukushima, for individuals and broader communities. I invite others to think through these issues with me and to confess to the difficulties of transforming (nuclear) science-society governance towards robust and responsible processes and outcomes.