there are reports of several great sci-fi shows being overshadowed, with some outlets suggesting they were eclipsed by popular series such as 'lost' or 'stranger things'. the exact number of shows and their characteristics are not consistently reported, with some outlets listing 8 shows and others listing 10. some outlets are highlighting underrated or lesser-known sci-fi shows, including british series and a 6-season show with a high rotten tomatoes score.