(Anime) sites come and go and results vary. Subscene. So it is up to you to check them out and find which is best for you. Checking these sites' ratings is also a good idea to ensure authenticity and approval. The following is a brief list of anime sites I have occasionally visited for 4 years that can allow you to watch (stream) or download DBZ (Dragon Ball Z) episodes for free.

Dragon Ball Z (Use Search) Generator Rex. Season 1; Season 2. Attack On Titan; Naruto; Dragon Ball Super; My Hero Academia; Tokyo Ghoul; One.

Dot com sites: AnimeCrave Animehere Funimation Anime-Plus!