Gintama Season 4 Episode 6: Battle on Rakuyo Arc: Part 6 - Ten Years
Episode 6 of 12 of Gintama Season 4, aired February 11, 2017, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Gintoki comes across a man who has waited over a decade to exact his revenge on him. The question is, does he really have the right guy?