The Ancient Magus' Bride Episode 23: Nothing Seek, Nothing Find.
Episode 23 of 24 of The Ancient Magus' Bride, aired March 18, 2018, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Elias earns the help of many, and they form a search party for Chise. Meanwhile, Chise and Cartaphilus relive his past together.