This work presents five autonomous and interdependent texts, with the purpose of thinking about Science Fiction, notably the Lusitanian Sci-Fi. Chapter Zero introduces, as an auto-ethnographic essay (VERSIANI, 2005), the hypothesis that the origin of Science Fiction came from the Lisbon s Earthquake of 1755 and from which the borders e frontiers (OSTERHAMMEL, 2014) of the literary gender were established. Chapter One analyses the three grand narratives (LYOTARD, 2009) of theory that attempt to explain Scientific Fiction: the philosophy of the future by Gilles Deleuze, the history of ideas proposed by Sci-Fi writers and the fictional genre still without a clear definition by the critics. Chapter Tw takes the readers on to the library of the gaseous planet of ScifiLusitânia, a workshop (PIGLIA, 2004) built upon the chronotopes notion (GUMBRECHT, 2010) for the purpose of drawing the literary formation (CANDIDO, 2000) of the Portuguese Science Fiction. Chapter Three brings forward, synchronously, brief case studies on Lusitanian Sci-Fi: of the chronicle Lisboa no anno 2000 (1906), by Mello de Mattos, and the short story A estranha morte do professor Antena (1915), by Mario de Sá-Carneiro; of scientific fictions aligned with Salazarism; of Colecção Fantástico, by Editorial Rolim, 1983-1990, and of the homonym collection of electro-punk short stories Lisboa no ano 2000, published in 2012. Quarto Finalle weighs methodological problems and regarding the Sci-Fi produced at the Center (CONNELL, 2012) in comparative perspective to Southern Epistemology (SANTOS, 2010).