An extremely large iceberg appears and threatens to put Acmetropolis into a new Ice Age. It's up to the Loonatics to save the city before it's frozen over. Who is behind this extreme disaster and why?

The planet is in the grip of Fuz-Z mania when a cute little creature becomes one of the most popular pets in Acmetropolis thanks to Professor Zane, who says that he found them shortly after the meteor strike.

Zadavia sends the Loonatics of a mission involving Black Velvet, the new bad girl.

When lightning strikes an overly jealous girl who wanted to be a weather personality, she becomes Weathervane, a being with the power to control weather, and bring forth chaos on Acmetropolis! It's up to the Loonatics to stop her before she destroys Acmetropolis with her "rain" of terror!

Parts of Acmetropolis are left underground after an earthquake strikes.

The citizens of Acmetropolis are celebrating the Loonatics on the one-year anniversary of the meteor strike, when the sky is suddenly filled with pieces of rock falling from the stars.

A popular intergalactic circus featuring unique creatures from across the galaxy comes to Acmetropolis to entertain the citizens.

A new villain named Massive uses his ability to control gravity to commit several robberies all over Acmetropolis.

Drake Sypher possesses the power to absorb the abilities of anyone that touches him, and decides he should be the one person getting the fame and glory of being a hero.

Time Skip, a villain who can control time, plans revenge on the military for stealing his design for the Trolbot 9000.

The Loonatics take on an old enemy of Tech: Mallory Mastermind. When Mallory escapes from prison, she swears revenge on Tech. It will take all the genius Tech has to defeat this genius of a foe.

Mallory Mastermind, Sypher, Weathervane, and Massive have been unwillingly recruited by a mysterious alien being known as Optimatus.