Searching for an English dub of Gintama Season 4 (the 2017 series) is complicated because the show has only been partially dubbed across different platforms.
Watch the first episode of Gintama to see how the series begins, though please note that dub availability varies by region: Watch Gintama Season 4 (Dub) Episode 1 for free...
: This platform has portions of the series dubbed, typically the earlier seasons (1-49), and sometimes offers free trials. Searching for an English dub of Gintama Season
: You can watch Season 4 episodes on Crunchyroll , which often offers a 7-day or 14-day free trial for new users. Note that while they have Season 4 (starting from episode 317), their primary English dub coverage often starts around episode 266. typically the earlier seasons (1-49)