This episode explain that the Constructicons where built in caves, though this contradicts their origins as seen in "The Secret of Omega Supreme" and "Five Faces of Darkness" part 4. The only thing I can say about that is the Constructicons builds Megatron up in "The five faces of Darkness", later being reprogrammed by Megatron in "The Secret of Omega Supreme" and reconstructed again in the Earth by Megatron. In this epsisode Megatron use diferent weaponry during the fight against Optimus, these weapons are the weapons of all the Decepticons, but only one calls me attention: his back cannon. This is the first episode (and maybe the last) that he uses it. At the end and without of heis troops powers, he shows that he can´t do nothing against a fight with Optimus Prime.
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