The second and most popular entry in the Time Bokan series, running from 1975-1977. Takada Gan and Kaminari Ai transform into the titular heroes and travel the world fighting off the Doronbo Gang, who want to collect Dokuro Stones in order to gain untold fortune.
Recieved a revival in 2008 (with the Doronbo Gang collecting rings this time), and a sequel series in 2015.
