Memory of Flames

is episode 211 of the original Naruto anime.

Synopsis
When another member of the Ninja Dropouts attacks Naruto and Todoroki, capturing Gantetsu, it is revealed that the other members want to capture Gantetsu to find the money he stole with them. Naruto's group learns that Akio, Todoroki's brother, is alive, and he and his other orphans have been cared for by Gantetsu, who is seeking to atone for his crimes. The group fights and defeats another Ninja Dropout member, but Akio is kidnapped and taken to the Ninja Dropout base.