Kyuukyuu Sentai GoGoFive The New 6th Soldier! Season 1 Episode 21 Airdate: July 18, 1999 Synopsis The Tatsumi siblings discover blueprints that make them believe they are gaining a 6th member as the remaining Hell Siblings are sent out by a worrying Zylpheeza. ← Undying Rescue Spirits All episodes The Dark King's Last Decisive Battle! →