Zelda defrosts one of her monsters, Sram, who unleashes his devastating voice against the Terrahawks.

An old space probe approaches Earth, but the Terrahawks worry because it was never meant to return.

Zelda attacks NASA's outpost on Mars and establishes her home, then mounts an attack on Earth, forcing the Terrahawks into battle

The Terrahawks pick up a capsule in space containing only a strange vapour. However, it actually contains a gaseous monster that meddles with their minds.

Zelda lures Ninestein with the captured two-man crew of a commercial space transporter. When the Terrahawks electronically isolate themselves from after rescuing the men, Kate has to inform Ninestein that the mission to get him back is ahead of schedule.

The Terrahawks struggle to defend against the aliens' strange powers, and find they may be forced to stop the attack at the cost of Ninestein's life.

Zelda gives Sram another chance to defeat the Terrahawks by sending him to hijack the Overlander, an automated vehicle that delivers vital supplies to Hawknest.

Zelda attacks Earth on Christmas Eve, convinced that the Terrahawks' guard will be down. However, Ninestein anticipates such a move, and all-out war erupts. Perhaps the Christmas spirit can even reach someone like Zelda.

Zelda unleashes MOID, Master of Infinite Disguise, who kidnaps Hiro and impersonates him.

Yung-Star devises a way to make the Cubes more powerful by combining them. Zelda forms a group of them into a gun and threatens to destroy a newly constructed dam.

Ninestein enters an old-fashioned gun fight between one of Zelda's Cubes in the Arizona desert.

The Overlander is hijacked, but the hijacker, a news reporter by the name of Darrel, is a potential security hazard for the Terrahawks.

The Terrahawks find a teddy bear-like alien adrift in a space capsule and take him back to Hawknest. However, he is actually one of Zelda's monsters and begins to wreak havoc in the base.

Zero and Dix-Huit roll to the rescue after Kate and Stu are kidnapped by Yung-Star and Yuri.

Kate is taken hostage by Andeburr Records employee Stuart "Stew" Dapples, who is under Zelda's control.

Kate Kestrel wins the world song contest and goes on to compete in the interstellar song contest. Zelda contends that as a resident of Earth's solar system she has a right to participate too, and challenges Kate to a sing-off on a neutral planetoid with her family and Sram as her band.

Zelda and the Terrahawks team up to stop Zyklon, a gigantic spaceship dedicated to destroying all life in the universe.

While pursuing a ZEAF, Hawkwing flies too high and is marooned in space.

Zelda dispatches Yung-star and a new monster, Lord Tempo, to find the location of Hawknest. While traveling back in time to avoid Spacehawk, they pick up King Richard.

When the Terrahawks are rendered catatonic by space flowers, Zero is forced to battle for the cure on his own.

Zelda enjoins the help of Cold Finger, an alien who uses water and ice as weapons.

Moid, Master of Infinite Disguise, transforms himself into the Invisible Man to create trouble for the Terrahawks

A pair of miners find and capture a Sporilla and take it back to Earth to sell to a shady sideshow owner. Once it is on Earth, Zelda uses her powers to enlarge the monster into an unstoppable giant.

Stew Dapples becomes the eyewitness to Zelda's latest plot when he sees a UFO.

Zelda deploys the alien Krell to Earth and plots the destruction of the space equivilant of Fort Knox