Operation: Mystery! (1968)

Horror · Sci-Fi

Advancements in science and the unchanging human psyche have given rise to new forms of terrifying crimes as the Science Research Institute (SRI) investigates various strange phenomena in Japan.

IMDb rating: 6.5 (79 votes)
Episode average: 6.1 -0.4 vs IMDb
Seasons: 1
Language: JA
Type: TV series

Rating trend: this show's seasons do not settle into one shape. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well.

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Ratings refreshed Oct 3, 2026 · 1 season indexed

Cast

Yasumi Hara Kiyoshi Matoya
Homare Suguro Kyôsuke Misawa
Shin Kishida Shirô Maki
Seiji Matsuyama Hiroshi Nomura
Reiko Kobashi Saori Ogawa
Akiji Kobayashi Taizo Machida

Seasons

Season 1 (1968)

6.10 avg 4 episodes 5.6 → 7.0 30 min avg

Rising
Slow burn
Big finale

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	Kabe nuke otoko	5.6	8
2	Hito kui ga	5.6	6
8	Hikaru toorima	6.2	6
25	Kyôto kaimasu	7.0	7