Black Clover Episode 20: Assembly at the Royal Capital
Episode 20 of 170 of Black Clover, aired February 20, 2018, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Asta and Noelle head to the Magic Knights Headquarters in the Noble Realm to report on their mission to capture the dungeon. On their way, they run into Yuno, Klaus, and Mimosa, and they all head to the headquarters together.