The middleman is 5th-grader S12E12 - The middleman is 5th-grader 1980
- Released: 1980-05-09
- Runtime: 50 minutes
- Genre:
- Stars: Mitsuko Horie, Mieko Nobusawa, Keiko Miyazaki, Minori Matsushima, Yumi Nakatani, Jôji Yanami, Noriko Tsukase, Banjo Ginga
- Director: