Gintama Episode 172: It All Depends on How You Use the "Carrot and Stick" Method
Episode 172 of 201 of Gintama, aired August 26, 2009, 25 minutes. Available with English subtitles and dub where released.
Episode summary
A man called Executioner Kohei is brought under strict guard to the Shinsengumi. He is the executive officer of the Radical Joi Faction, the Akatsuki Party, and is also a lethal murderer who has killed 35 bakufu officials. According to Kondo, Kohei not only endures torture, but laughs with joy during it. The Shinsengumi’s mission is to get Kohei to tell them details about the large-scale terrorist attack the Akatsuki Party is supposedly planning. First off is Yamazaki, who goes to the investigation room to take a stab at it! Will he be able to get Kohei to talk?!