Not all is cutesy in [[WesternAnimation/MyLifeAsATeenageRobot this life]]...
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* At the beginning of the first episode, Tuck walks into [[spoiler: Jenny's house]] to [[ItMakesSenseInContext retrieve the baseball]]. Much of the house looks dilapidated, with what looks like the remains of a robot [[SymbolicBlood leaking oil]]. [[BigLippedAlligatorMoment This is never brought up]] [[FridgeHorror again.]]
* When Tuck envisions the Planet of the Bikers, there's a sudden art shift in the character design, giving it a more-than-creepy look. The fact that the evil bikers' designs are based on the work of Music/RobZombie doesn't help much, either.
* Although Tammy doesn't look horrifying initially, her monstrous mouth and tongue (a ShoutOut to ''Franchise/{{Alien}}'') can catch people off guard in "Ball in Chain". Also, there is the concept of being a slave in marriage; trying to get out of it involves the groom being eaten by the bride. It is said to be the tradition on the Space Bikers' planet.
* Gigawatt is certainly creepy...mostly because he's one of the few villains that could effortlessly curbstomp Jenny time and time again.
* When Vexus has her VillainousBreakdown.
** Vexus's obsession with Jenny and her various disguises and {{Evil Plan}}s.
* The Exo-Skin. It's basically a G-rated version of [[SpiderMan Venom]].
** The way the Exo-Skin slithers up to Jenny like a snake in the middle of the night and its appearance in the moonlight still gives many fans the shivers.
** Or when the Exo-Skin finds a new host? When Jenny first tries out the new skin, it latches itself onto her body and slowly crawls over her face. She tries to tell Nora Wakeman that there's something wrong, but she ignores her. And then at the end of the episode, after the skin has supposedly been "deactivated" by Jenny pouring milkshake on herself, the cranky old boss at the diner gets attacked: as all his customers desert him, he begs for them to come back, proclaiming that he has seen the error in his ways...right as the same sensors that latched latch onto him. We hear the exo-skin ''CHOMP'' down on him off-screen, [[EvilLaugh laughing menacingly]], as the screen goes black.
* This bit from "The Wonderful World of Wizzly":
-->'''Jenny:''' Go on, little robots! Be free!
-->'''Robot Raccoon:''' But where are we supposed to go?
-->''(Jenny twists her head 180 degrees revealing big, blank eyes)''
-->'''Jenny:''' ''(monotone)'' I said...'''be free.'''
* "Armagedroid". The first fight against him and seeing him ''tear Jenny apart''. Plus the fact that, [[NeverSayDie although not explicitly stated]], it appears that he came dangerously close to '''killing''' her. [[spoiler:There's also the fact that he was built by Wakeman, essentially making him Jenny's ''brother''.]]
** In a similar sense, "Enclosure of Doom". Just the fact that Jenny managed to talk [[spoiler:Armagedroid into ''[[DrivenToSuicide killing himself]]'']].
*** How it's done it also unnerving: first you have [[spoiler:him ''tearing into himself'' and ripping out as much of his insides as possible]], and then you have [[spoiler:him activating his self-destruct]].
**** It's worth pointing out that [[spoiler:[[NoEndorHolocaust he was still in town when he did this]]]].