电视动画《紫罗兰永恒花园》的BD、DVD第4卷将于2018年7月4日发售，收录了第11话、第12话以及第13话。除此之外，在光盘中还将收录番外篇OVA《Extra Episode》。OVA主要讲述了在第4话和第5话之间的数个月里，薇尔莉特为歌姬代笔的故事。
『ヴァイオレット・エヴァーガーデン きっと”恋”を知る日が来るのだろう』

Violet Evergarden comes to a private women's academy to tutor Isabella in the ways of being a lady. Heir to the York family, Isabella feels trapped in this new and uncomfortable world. She still grieves for the only person to ever bring her happiness – now lost to her. Violet's lessons do give her a brief respite from the melancholy but with the absence of joy, how long does it take to truly heal?