''Tetsuwan Tantei Robotack'' is the seventeenth ''Franchise/MetalHeroes'' series, and also the last. It aired from 1998-1999.

There are mystical items called Landtool that the ruler of Harappa Land, a land of robots, has instructed his people to find. Two of them, Robotack and Kamerock arrive in Yumegaoka and make friends with detective Kaoru Sugi and his nephew Kakeru. The two join Sugi's agency in their quest to find the Landtool and also solve crimes in their small town. At the same time, they must thwart the Gold Platinum P.D. Agency, headed by Robotack's brother and arch-enemy Torabolt, from finding and profiteering from the Landtool.
!!''Tetsuwan Tantei Robotack'' provides examples of the following tropes:
* {{Crossover}}: The cast of ''Robotack'' meets the cast of ''Series/BRoboKabutack'' in a crossover special.
* TheHeroDies: [[spoiler: Robotack dies in the final episode.]]
* HeroicSacrifice: [[spoiler: Robotack finally vanquishes the forces of evil in the final episode, but at the cost of his life.]]
* PunBasedTitle: Although Tetsuwan is an actual Japanese word, ''Wan'' is also the Japanese sound of a dog barking.
* SpoilerTitle: Take a wild guess what happens in the last episode, [[spoiler: [[SuddenDownerEnding Robotack's Death at Sea]]]].
* SuperMode: Special Mode.