The text you've provided, "Animal_Kingdom_US_1x01_WEB-DLMux_Ita_Eng_Ac3_Ba..." , is a standard file name used in BitTorrent swarms for the first episode of the American TV show .
If you are looking for specific details about the file itself, the name indicates: : Season 1, Episode 1.
If you are seeing an error message like "missing piece" or "hash fail" for this specific file, you should use the feature in your torrent client (such as qBittorrent or uTorrent ) to verify the integrity of the data you have already downloaded.
: To facilitate fast and efficient sharing, the entire file (in this case, the video file for episode 1x01) is divided into hundreds or thousands of "pieces".