Ben 10: Colossal Danger

Ben 10: Colossal Danger is the sequel to The Ultimate Enemy Part 2.

Plot
The new villains, a group consisting of Shard, a Crystalsapien, Screamer, a Sonorasian,

Characters
Note: Ben did not meet Rook, and Gwen and Kevin went to college.
 * Ben Tennyson (16) - The main protagonist of this series.