|First Appearance||Ben 10 Alien Force: Vilgax Attacks|
Landscape, Technology and Weather
The buildings' interiors are mostly filled with dark rooms, long corridors, bridges and computers.
Technology present on Encephalonus IV is very futuristic and advanced, in accordance to the fact that Cerebrocrustaceans have extremely high intelligence. Most of the machinery and transportations present include jet-powered, interchanging platforms; laser beams used to activate switches that open doors, or turn on other machinery; high-speed subway trains that are powered by electrical coils; numerous satellites and pylons, plus advanced computer systems.
It is suggested that the numerous puzzles and computers present on Encephalonus IV are used to test the knowledge of the Cerebrocrustaceans, and it is a daily thing in everyday life to exercise their brains.
Lightning and thunder are frequently roaring in the dark, cloudy sky, though rain has not been seen.
Encephalonus IV is the fourth level in Ben 10 Alien Force: Vilgax Attacks.
The name of the planet comes from the word "encephalon", meaning "brain".
- Encephalonus IV has at least two moons.