Popsugar Entertainment Streaming Returning Summer TV Shows 2021 38 Major TV Shows Returning For New Seasons This Summer 10 May 2021 by Amanda Prahl View On One Page Photo 36 of 38 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 36 Star Trek: Lower Decks The scoop: The "everyman" Star Trek animated series focuses on the support crew on an unremarkable Starfleet ship, with a second season packed with more funny sitcom-y stories and sci-fi weirndess. The premiere date: Aug. 12 Previous Next Start Slideshow StreamingSummer EntertainmentSummerTV