Please don't offend me now, but I started the first season on netflix and found it a bit boring because I didn't watch it often, so I wanted to give it another chance but I don't know where to watch it legally
S1 - S3: Anime on Demand
S4: WAKANIM
https://www.google.com/...eason/amp/ httpshttps://www.google.com/amp/s/www.werstreamt.es/serie/details/235249/attack-on-titan/amp/
Anime on demand S1-S3
WAKANIM S4 (still running)
Seasons 1 to 3, the spin-off and the films are available in this country on Anime on Demand.
https://www.anime-on-demand.de/...k+on+Titan
Season 4 is currently running in simulcast at Wakanim. A new episode usually appears here every Sunday at 6:34 p.m.
https://www.wakanim.tv/...nal-season
Or all seasons at Crunchyroll US, with English or Spanish subtitles.
https://www.crunchyroll.com/...k-on-titan