Tetsuwan Tantei Robotack

Tetsuwan Tantei Robotack was the seventeenth Metal Heroes 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.

This show features examples of:

 * Crossover: The cast of Robotack later meets the cast of B-Robo Kabutack.
 * Hey, It's That Voice!: Nozomu Sasaki is Robotack.
 * Pun-Based Title: Although Tetsuwan is an actual Japanese word, Wan is also the Japanese sound of a dog barking.
 * Super Mode: Special Mode.