第 775 集: 目暮警部指派毛利小五郎假扮鑰匙匠，潛入賊黨內部。
2015年4月25日 播出原創回
Inspector Megure asks Kogoro for help disguising himself as a famous safecracker and infiltrating a gang of thieves. However, the gang boss Mr. Head sees through his disguise. The man who killed Head's son is among his subordinates, and he instructs Kogoro to work with the gang as planned to determine the killer's identity. (Source: Crunchyroll)