When they plan an attack on Zelda's Martian base, the Terrahawks are in for a big surprise. They discover that Cy Star is about to produce a baby. Tiger decides the time is ripe to change the situation.
Against Tiger's better judgement, the military send a giant space carrier on a first-strike mission against Zelda's base on Mars. It isn't long before the Terrahawks are needed to straighten out the mess.
When a Zeaf crash-lands on Earth, Battletank is sent out to destroy it. But then Zelda announces that she has planted a bomb at Hawknest and the Terrahawks face a race against time to find and defuse it.
An alien meteorite lands on the moon and a giant Cyclops begins to form from the wreckage - yet another of Zelda's monsters. The Zeroids attack, but the Cyclops appears unbeatable - until SM Zero has an idea.
When two statues - one of Yung Star and the other of Cy Star - appear in a museum, the Terrahawks investigate. But the statues suddenly begin to move - and Mary Falconer finds her life in danger.
It's attack time. Zelda plants a giant bomb under the Trans-American pipeline, while her friend Birlgoy produces a super-explosive guaranteed to take care of the Terrahawks.
When a space pirate joins forces with Zelda to attack the Terrahawks, and his pirate spaceship fights a winning battle with Spacehawk, it appears that Zelda has finally defeated her enemy. But has she?
Has Zelda finally discovered the location of Hawkness? When the station comes under attack it seems as though she has. Is this the end of the Terrahawks? Can Tiger and his crew survive?
Tamara, a space samurai and commander of a powerful battle cruiser, insists that Zelda and Ninestein patch up their vendetta. prepared for the worst. Tiger agree - knowing that Zelda cannot be trusted.
Using Lord Tempo's powers. Zelda tries to introduce a time warp into Hawknest. But Mary's mind proves too strong and rejects the attempt - so Zelda decides to try the same ruse on SM Zero - with hilarious results.
When SM Zero is admitted to hospital for an operation and comes round to find that Zelda has been infiltrated Hawknest and Ninestein now speaks with Yung Star's voice, the Zeroid believes he's losing his mind.
A visit to the district moon Callisto is an unpleasant experience for Tiger and his crew. They find themselves faced by a fearsome Sporilla - one of Zelda's most terrifying monsters.
While the Zeroids are exploring a crater on a meteorite they believe may contain gold, Zelda sits back and smiles. The 'golden nugget' they find is secretly a bomb - planted there for just such an occasion.
