Imdb normally has some good "What Shows Have Been Renewed or Canceled?" lists. Sadly I can't find a way to share a link to the list directly.
So just use a search engine and search for:
"What Shows Have Been Renewed or Canceled?" site:imdb.com
> All the lists I found had reality tv, documentaries, anime and other stuff in it.
So? I'm sure some people do consider those to be "big" things that they'd be looking forward to; you're never going to find a list of "big" shows that everybody would agree on.
But this is the best list that I know of; I think it has almost everything in general, at least when it comes to American shows.
hannibal_morgan t1_ixu0qkn wrote
Killing It (Comedy), Severence (Sci-Fi Drama)