I've found more content to be available through usenet than public torrent trackers. The first two days of usenet instead of torrents I grabbed 2.8tb of content that I had been searching for via torrents and 15+ indexers. (content accumulated in Sonarr/Radarr that previously couldn't be found)

Theres currently one 2267 day old copy of Mars Needs Women available via NZBGeek that I just downloaded successfully.