Whilst exploring a meteorite, the Zeroids come across a huge nugget of gold. They bring it back to Hawknest, unaware that it is actually a bomb created by Zelda. Upon it's arrival in Hawknest, the bomb is activated by Zelda. Ninestein manages to get the bomb as far from Hawknest as he can, but the ensuing explosion claims his life... or does it?moreless
Kate, Hawkeye, and Ninestein travel to the distant moon Calisto to repair a tracking station, but instead must face Zelda's deadly Sporilla...
Mary barely escapes the destruction of Spacehawk and arrives on Earth just in time to witness the bombing of Hawknest and the death of Ninestien. She wakes up, her experience apparently a dream, but little does she know that she was merely the first victim of Lord Tempo's "timebomb", which soon finds a more suitable host in the form of Zero. Zero's inferior will power prevents him from resisting the timebomb, and it spreads through all of the Terrahawks's electronic systems, creating a possibly fatal time delay which Zelda capitilizes on.moreless
Yung-Star decides to run away to Earth where he is soon arrested at a diner for eating the menu and silverware. The Terrahawks are told of his capture and take custody and take him back to Hawknest. Little do they know that he was fed a tracking powder by It-Star and is being used by Zelda to find the Hawknest headquarters.moreless
A pacifist space samurai called Tamura attempts to bring Ninestein and Zelda's battles to an end and unite them in peace by proposing they discuss their differences, but Zelda's treachery ensures that negotiations are far from peaceful...
Yung-Star and It-Star ally themselves with an intergalactic pirate and set up a pirate radio station in order to lure the Terrahawks into an ambush with the pirate's heavily armed battleship.
It-Star hatches it's own special scheme to destroy the Terrahawks, which involves planting a "flawed" bomb in the desert.
It-Star discovers how to duplicate Zelda's minions and experiments on Yung-Star.
The Terrahawks confront a metal-consuming monstrosity created by Zelda.
Zelda plants a hidden bomb on the Battletank, with Yuri positioned outside Hawknest using his telekinesis to seal the Battlehawk launch doors shut. Ninestein and Mary find themselves trapped inside...
Ninestein and the Terrahawk team arrive on Mars with a weapon capable of defeating Zelda once and for all, whilst Cy-Star is about to give birth to her new offspring.