The term "original series" refers to a group or collection of items that were all created at the same time, and are considered the original version or iteration of something. Full definition
Since the end of original series, there have been some spin offs that are now reaching a conclusion. (manga.jadedragononline.com)
These range from enduring classics to brand new original series, but they're all likely to lend themselves to a thrilling viewing or an addicting binge. (decider.com)
Get access to award - winning original series, movies, sports & more at one low monthly bulk rate. (sho.com)