'''Basic Trope''': Someone builds a duplicate of a deceased loved one.
* '''Straight''': Dr. Sauerkraut's daughter dies in a plane crash, so he builds a RobotGirl in her likeness to replace her.
* '''Exaggerated''':
** After the success of his daughter's replacement, [[CutLexLuthorACheck Dr. Sauerkraut turns it into a business]].
** After the success of his daughter's replacement, Dr. Sauerkraut builds several dozens of the RobotGirl, each one reflecting an aspect of the late daughter he loved.
* '''Downplayed''': Dr. Sauerkraut's daughter dies in a plane crash, so he adopts a little girl who survived in that plane crash, believing that it's the humane thing to do.
* '''Justified''':
** Dr. Sauerkraut sold his daughter to [[SufficientlyAdvancedAliens Space Aliens]]/{{The Devil}}/{{The Fair Folk}} in exchange for the secrets of his advanced robotic technology, and builds a replacement to stop people from learning what he did.
** The poor doctor can't let go of his late daughter.
* '''Inverted''':
** Dr. Sauerkraut builds the replica to prevent the death of the loved one in the first place, like a clone intended as an organ donor to save his diseased and dying daughter.
** Dr. Sauerkraut builds a replica of ''himself'' [[CrazyPrepared in case he dies.]]
** Dr. Sauerkraut builds an idealized version of his daughter, and then [[MoralEventHorizon kills the real one.]]
* '''Subverted''':
** The replacement is imperfect, and frequently has violent mood swings.
** The original is still alive, albeit kidnapped/insane/in a coma.
** Dr. Sauerkraut turns out to be the Replacement Goldfish, having been built by his daughter, who was the only one who survived the plane crash.
** Dr. Sauerkraut tries for this at first, then realizes half-way through that [[GenreSavvy this would be unfair to both his daughter's memory and her replica's psyche]], so instead he raises the replica to be her own self, only tangentially related to the original.
** Dr. Sauerkraut [[LawOfInverseFertility never did and never could have children.]] The robot girl isn't based on anyone in particular, but is meant to be what his daughter ''would'' have been.
** Dr. Sauerkraut managed to save his daughter's brain and transplants it in a robotic body as an EmergencyTransformation.
* '''Double Subverted''':
** The replacement frequently has violent mood swings... which is exactly how the original acted.
** Dr.Sauerkraut created a robot to resolve the problem (whatever it was) and made it in his daughter's image to inspire himself. [[InstantAIJustAddWater Then it starts acting like his daughter before the problem started.]]
** Who herself was a robot and created Doctor 2.0 by modifying her specs.
** (fourth one down), despite Dr. Sauerkraut's initial objections, the replica says she's fine with being exactly like Sauerkraut's daughter, since that is what she was designed for; she can't be her own self instead because "her own self" ''is'' Sauerkraut's daughter.
** (Sixth one down), brain damage from the accident means that the robot isn't his real daughter anymore.
* '''Parodied''':
** The replacement is obviously a robot, sporting "robot ears" and a built-in plasma cannon.
** Alternatively: His replacement goldfish is really a replacement goldfish.
* '''Zig Zagged''': Dr. Sauerkraut builds a robotic duplicate of his dead daughter which is composed of machine parts and [[WeCanRebuildHim the remains of his dead daughter's body.]]. ''That'' body is trashed beyond repair but the good doctor has a HeartDrive with the sum total of her memory and personality, which he places into a second robot body. Then background noise in the uploading process caused variations in her personality and she behaves differently. These differences however are ironed out as the robot enters the daily routine of the daughter's life.
* '''Averted''': Someone dies. No attempt is made to replace them.
* '''Enforced''': "Now, how are we going to shoehorn a robot into this HaremSeries?"
* '''Lampshaded''': "Dr. Sauerkraut... Did you honestly think you could recreate someone in your state of mind? You did fairly well, I'll give you that - but I beg you, go find a therapist and let go of her!"
* '''Invoked''':
** Dr. Sauerkraut always had a phobia of being the last member of his family still alive. He became a robotics expert just so he could do this in case his child(ren) died before him.
** Alternatively: A robotics expert seeks out venture capitalists who recently lost loved ones for funding.
* '''Exploited''': Brainwashing a person takes time. Making small adjustments to an android replica less so. Dr. Sauerkraut's enemies now have another way to get at him within days.
* '''Defied''': Dr. Sauerkraut refuses to replace his daughter.
* '''Discussed''':
-->'''Dr. Ishkabibble''': "Nice t'see ya, Sauerkraut- ... What? Y'want me to help create an AI to simulate your late daughter? How 'bout you clone'er instead. Unsafe, but easier."
* '''Conversed''':
--> '''Fan A''': "I can't believe the MadScientistsBeautifulDaughter died three episodes ago on this show, only for the writers to backtrack and make daddy resurrect her like that!"
--> '''Fan B''': "Yeah, what a cop-out. It's completely in-character for Sauerkraut to do that, though."
* '''Implied''': Alice Sauerkraut's father is mentioned to be a robotics expert who's not good at coping with [[DeadlyEuphemism things breaking]]. It is eventually revealed that Alice is a robot, though no WordOfGod mentions whether she always was this way or whether she was a replacement. Once Dr. Sauerkraut himself is met, the characters ask him the question - and the question is such a great BerserkButton that he must be restrained before he beats the asker within an inch of their life.
* '''Deconstructed''':
** The replacement GoesMadFromTheRevelation when she learns that her entire life is a lie.
** The real one was in a coma beyond all hope for recovering. By some miracle she woke up, and called her dad out. A CainAndAbel relationship developed between the real daughter and the replacement, which ended tragically for everyone involved.
** When people learn of Dr. Sauerkraut's success, they want him to build replacements for their dead loved ones. The doctor complies, the people get what they want-- ''every single one of them''. Thus creating a race of robots that [[LovingAShadow can never live up to the originals]] and further depressing the body they were made for.
** Dr. Sauerkraut is disappointed that the replacement won't grow up like a normal daughter. His mental imbalance grows, and he sells the daughter off.
* '''Reconstructed''':
** The replacement {{Wangst}}s for a bit, but eventually gets over it and becomes her own person.
** The real one was in a coma beyond all hope for recovering. By some miracle she woke up, and was promptly touched by her dad's (desperate) love for her. She accepts the replacement as her little sister. [[WhatCouldHaveBeen They lived happily]] [[MagicalGirlLyricalNanoha ever after]].
** The race of robots [[BecomingTheMask Become The Mask]] and no one can tell the difference.
** Dr. Sauerkraut uses OrganicTechnology to build the replacement so it would grows up like a human would. Due to his mental imbalance, he eventually forgets that the girl is not his real daughter.
* '''Played For Laughs''': Dr. Sauerkraut's daughter dies in a plane crash, so he builds a RobotGirl in her likeness to replace her. The problem is, he modeled the robot after himself, so it's really a boy who must crossdress to please his eccentric daddy.
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%% Optional items, added after Conversed, at your discretion:
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%%* '''Plotted A Good Waste''': ???
%%* '''Played For Drama''': ???