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"Your legacy and the age of Transformers ends NOW!"
- Mandroid. The lengths the man goes to in the name of "protecting" planet Earth can be deeply unsettling to watch.
- And then there's his Arachnamechs. Think the Prime Scraplets but with four angry-looking red eyes, bodies that are essentially all heads with legs, and a number of blasters and snares that deploy from under the face. Add in the fact that they're larger than Optimus Prime's head and you've got mouthless horrors that make the aforementioned Scraplets look like harmless garden spiders in comparison.
- Robby's Nightmare Sequence at the beginning of "Classified", where he's Forced to Watch as Twitch and Thrash are taken away by G.H.O.S.T. Optimus appearing to ominously tell Robby that nothing lasts forever doesn't make it any better.
- The questionable methods G.H.O.S.T uses to capture and detain Decepticons makes you wonder if there's more to them than meets the eye.
- It's revealed in "Decoy" that Starscream is one of the captured Decepticons. And his Evil Laugh at the end of the episode implies he's up to nothing good.
- "Age of Evolution" shows us just how terrifying a Cybertronian battle is from a human's point of view. The Maltos barely manage to evacuate without getting trampled by the combatants or hit by debris.
- From "Home" After Mandroid grafts Brawl's arm to replace his only remaining one he's clearly disheveled with Tainted Veins, barely able to move, and at one point hacks up what appears to be oil. Not to mention how he's seemingly addicted to Energon.
- Heck, just the fact that the Decepticons are forced to fight in death matches just to survive. Given how this absolutely horrifies Bumblebee, a war veteran, it puts Prime's decision to keep quiet about his former scout and the Terrans in a very different light.
- Mandroid taking control over Hashtag and forcing her to fight, and potentially kill, her Terran siblings. Made even worse with Mandroid mentally torturing Hashtag in her inner virtual space, reducing the usually cheerful and upbeat Hashtag to a quivering mess begging to be left alone.
- The Archnamechs forming into a giant centipede monster for Mandroid to attack the kids with.
- As pointed out on this Tumblr post
, some of the audience members at Bot Brawl include various minor human characters, including the principal of Robby and Mo's school. As the post states, biased and prejudiced people can hide in plain sight because They Look Just Like Everyone Else!. - The series continues the proud tradition of making Shockwave an utterly terrifying Mad Scientist who is far and away one of the most dangerous Decepticons to ever walk on Cybertron or Earth. Not only was he willing to use the AllSpark to create a protoform army (which disgusted even Megatron before his full redemption), Shockwave was essentially a Cybertronian supremacist who was more than willing to essentially enslave humanity and execute the Terrans... who are young children, no less.
- When Mandroid returns from the Spacebridge, he's been gone around a year compared to the hour he was gone on Earth, and in that time his Cybernetics Eat Your Soul has progressed to the point that he's basically a rotting head in a cybernetic frame with some disturbing features, like a secondary set of arms that at least look organic.
- The Dweller. JUST LOOK AT IT!.
- Agent Croft's true colors are not a pretty sight; not only is she as anti-Cybetronian as Mandroid, but she also intends on conquering Cybertron as payback for the damage its inhabitants caused on Earth. And then there's how she went out...
