Decades later, these science fiction anime are still some of the most impressive series that the medium has to offer.

While there are plenty of sci-fi anime series that garnered attention and critical acclaim in both modern years and decades past, there are just as many great shows that slipped through the cracks.

Star Trek is one of the most successful science fiction franchises ever created, holding its place among other hard-hitting picks of the genre. First debuting back in 1966 with Star Trek: The Original ...