Wilhelm van Astrea (ヴィルヘルム・ヴァン・アストレア) is the twentieth episode of the Re:Zero anime.
- Wilhelm's flashback scenes with Thearesia are rearranged to be included throughout the battle.
- Crusch is holding her sword when using her Hundred Man Sword Strike while in the light novel Subaru notes that she isn't holding anything.
- The Hakugei comes down to attack Crusch instead of Wilhelm jumping up using his Earth Dragon to fight it in the air.
- The Hakugei tries to eat the falling Wilhelm instead of attempting to hit him with its tail.
- The cut tooth is white instead of being yellowish.
- Wilhelm uses one sword to cut out the Hakugei's eye in a circular motion rather than four swords and a square.
- Parts of the dialog during the fight against the Hakugei was cut.
- The group doesn't lessen the density of the mist before dealing with the crazed people.
- Satella's voice is cut and the lower half of her face is shown while in the light novel he only hears her voice.