There are thousands of anime available across the world right now but only a handful of them can be called "classics." These select series are the ones fans still enjoy years after their release and are strongly recommended to the next generation of anime fans. Franchises like Dragon Ball and series like Cowboy Bebop helped mold the industry and influenced the shows that followed, developing and defining the medium in the process
Source：https://www.cbr.com/what-makes-classic-anime-good-today/
