>>112121433https://fancaps.net/tv/recent.php is decent if a bit hard to navigate and a bit limited in number of shows. Also updates somewhat rarely. But everything is A+ quality.
https://twitter.com/MalteserRefs This guy is also a fantastic resource and worth a follow if you're on Twatter. Though he does skew heavily towards furry girls. Still his caps are great and he has plenty of non-furry caps as well. The master list of all the galleries he has made can be found here.
https://pastebin.com/TABBNq63https://animationscreencaps.com is also worth a look. Again it seems to update somewhat rarely but the quality seems largely good.
Other than that you're probably on your own and will probably have to make your own screencaps. There are browser extensions for taking youtube screenshots, and most streaming services are easy enough to screencap if you have them.
Oh, also
https://waifu2x.booru.pics is very useful for upscaling older or undersized screenshots without making them pixelated or blurry. It can't work miracles but it is still super useful.
