Watch anime online stream anime episodes for free you are watching Gintama Episode 172 English Subbed online for free. Anime Episode guide, Gintama Episode 172 English Subbed It all Depends on How You Use the “Carrot and Stick” Method A murderer who killed 35 government employees, Kohei Tanaka, is being brought to the Shinsengumi office. Because he will not admit his crime, Kondo, Hijikata, Okita and Yamazaki have to make him spit everything out. Before they go in, they decide to try and use the “Carrot and Stick” method. One after another they go into the interrogation room and try to make him admit the crimes he has done.