The last piece of the map is hidden in an artificial puzzle world . And Ripjaws (one of Ben's original 10 aliens), makes an appearance How can be the epsiode bettar.
The cube contains the last piece of the map that, if Agrigor got, it means the end for Ben and his team.
This episode is written with total intelligence and deserves to be rated 9.5 because it is smart and fast and contains a wonderful comedy and a strong shock in the end.
I like Ben's commitment to his morals in this episode in the last scene.
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