There are some exceptional sci-fi series, however, that can brag about not having a single episode that could be considered bad. 3 'Severance' (2022–)Apple joined the streaming game relatively recently, but since then, Apple TV+ has been putting out some of the best sci-fi shows the small screen has seen in years. The thing is that in no way are those episodes anything less than riveting pieces of sci-fi thriller television that, in any lesser show, might be considered among the show's best episodes. Divisive though it may be, many would dare call it one of the best sci-fi miniseries of all time. There are plenty of sci-fi shows whose best episode doesn't even come close.