Hundreds of new anime come out each year, many of which tease fresh ideas and visuals, but that doesn't mean that older series still don't have a lot to offer. The '90s were a formative decade for anime that marked the start of celebrated series like Cowboy Bebop, Dragon Ball Z, and Serial Experiments Lain.
Source：https://www.cbr.com/retro-old-90s-anime-still-worth-watching/
