Pt. 1. Theory -- New paths in transmediality as vast narratives: the state of the field / Matthew Freeman -- Crossing the boundaries: narrative ecosystems as semiospheres / Marta Boni -- Evolution in vampire-centered TV ecosystems / Héctor J. Pérez and Fernando Canet -- Audiences and fan studies: technological communities and their influences on narrative ecosystems / Paul Booth -- Spin-offs, crossovers, and world building "energies" / Derek Johnson -- The evolution of characters in TV series: morphology, selection and remarkable cases in narrative ecosystems / Veronica Innocenti and Guglielmo Pescatore -- Pt. 2. Analysis -- An Italian ecosystem: gomorra / Ilaria A. De Pascalis -- Thank god I'm a country series. interacting environments and networks in Nashville / Paola Brembilla -- You're Sherlock Holmes, wear the damn hat! Character identity in a transfiction / Roberta Pearson -- The specificities of the North-European seriality: strong local voices in a global media-world / Heidi Philipsen -- Event TV drama within narrative ecosystems: extended seriality and differing paratextual orientations in the 50th anniversaries of cult TV / Matt Hills -- The game Of Game of thrones: networked concordances and fractal dramaturgy / Andrew Beveridge and Michael Chemers