The news of the Galactic Guardian HQ trashed and Vexus being overthrown from the Cluster, the Tallest decide to move up the schedule in invasion maneuvers. Meanwhile TAK returns to Earth to discover a secret. Multi Crossover with ATB, MLaaTR, InvaderZIM.
Crossover - Invader Zim & Atomic Betty - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 1,498 - Reviews: 2 - Favs: 3 - Follows: 1 - Published: 6/7/2009 - Tak - Complete