[Machine Translation] A police drama depicting the exploits of the "Special Mobile Investigation Unit," an initial response team that tackles criminal investigations using the "3S" approach: Speed (Swiftness), Science (Science), and Secret (Secrecy). First broadcast on the NET (now TV Asahi) network in October 1961, this television drama was produced with full support from the Tokyo Metropolitan Police Department, including the provision of reference materials and filming assistance. As Japan s first one-hour serial drama, it featured compelling content that earned high ratings, It is a record-breaking long-running series that aired a total of 801 episodes over 15 and a half years, until March 1977. This landmark detective drama is now available on home video for the first time as a Best Selection"! Volume 10, titled Chief Tachiiwa, Forever: Part 3," features episodes showcasing the exploits of the Tachiiwa Unit, once again led by Chief Tachiiwa. [Included Bonus] / Booklet (planned) [Video Bonus] / Collection of Next-Episode Previews (1) (5) (includes episodes not included in this release)