It is 2.1MB in size. It will not play any video. Instead, it will attempt to install a remote access trojan (RAT). Antivirus scans show it connecting to a server in Belarus.
It is important to approach this with realistic expectations. Supernatural Season 11 aired in 2015. Public torrents for content that is nearly a decade old are notorious for having few, if any, seeders left. While there are communities that work hard to maintain such archives, the reality is that finding a reliable, fully-seeded public torrent for an older season can be a significant challenge and may require considerable patience.
Disclaimer: We do not condone piracy. This information is for educational purposes only. Always use a VPN and obey your local laws.