Crunchyroll is now streaming the Lord El Melloi II anime special, which comes from the Fate/Zero property. This “episode zero” special is available to viewers in North America, Central America, South America, Australia, New Zealand, the United Kingdom, and Ireland.
The special announced that a TV series is in the works and is scheduled to premiere in Japan in Summer 2019. The series will go by the title of, Lord El-Melloi II-sei no Jikenbo: Rail Traveling Grace Note.
Source: The Fandom Post