Sepia Search is a @peertube search engine which searches across almost a thousand PeerTube instances. I checked it out only briefly but it seems pretty good.
@evilworld I actually don't know.
@amoroso @evilworld Sepia Seach searches all known PeerTube instances.
Your admin may have enabled a feature so that your instance search uses Sepia Search. See https://docs.joinpeertube.org/use/search for more information!