Context : L'Ile Mysterieuse / La Isla misteriosa y el capitán Nemo / Die Geheimnisvolle Insel (The Mysterious Island) is a 1973 European TV miniseries production (300 minutes) adapted from Jules Verne's novel L'Île mystérieuse. 
Question : Which is the basis of La Isla misteriosa y el capitán Nemo?
The Mysterious Island