Having caught Takasugi Shinsfake, the ladies' gang decides to teach him a lesson and try and get him to spill the beans on where Gintoki is. How will Shinsfake survive this?
And that was Season 4 here, which 
began with the Battle on Rakuyo.
.وكان ذلك الجزء الرّابع الّذي بدأ بمعركة راكويو