Sea Pirate Captain Harlock and the errant samurai, Tochiro arrive in the United States on the Western Frontier. Along with a mysterious woman they meet along the way, the two friends challenge sex rings, bandits, and a corrupt sheriff. They are searching for a lost clan of Japanese immigrants, and they will tear Gun Frontier from end to end until they find it.
| Alternative Titles | |
| First Air Date: | 2002-03-28 |
| Last Air Date: | 2002-06-20 |
| Number of Episodes: | 13 |
| Number of Seasons: | 1 |
| Genres: | Animation, Action & Adventure, Western |
| Status: | Ended |
| Networks: | $AT-X |
| Casts: | Kappei Yamaguchi, Eiji Takemoto, Rica Matsumoto, Chisa Yokoyama, Kiyoyuki Yanada |