The Faction Return

Characters

 * Ben
 * Gwen
 * Kevin
 * Rook
 * Max
 * Sandra

Villains

 * Dr. Psychobos
 * Overlord
 * Zombozo (jailed)
 * Acid Breath (jailed)
 * Frightwig (jailed and freed)
 * Thumbskull (jailed)

Aliens used

 * Heatblast (first reappearance)
 * Electrohacker (debut)
 * Humungousaur
 * Ultimate Humungousaur (first reappearance)
 * Super Humungousaur