History Recap / Supergirl2015S1E11StrangeVisitorFromAnotherPlanet

* DoesThisRemindYouOfAnything: J'onn describes the horrors that the Green Martian faced when the White Martians imprisoned them in labour camps and sent multiple corpses into the ditches. J'onn also mentioned how his wife and two daughters were sent to the Furnace and burnt to death.

* ANaziByAnyOtherName: The White Martians are most definitely painted as Martian Nazis, including labour camps, body pits and furnances.

* DoesThisRemindYouOfAnything: J'onn describes the horrors that the Green Martian faced when the White Martians imprisoned them in labour camps and send multiple corpses into the ditches. J'onn also mentioned how his wife and two daughters were sent to the Furnace and burnt to death.

* DebutQueue: The episode marks the debut of Adam Foster and SelfDemonstrating/{{Bizarro}}'s official outing as "Supergirl".

* ADayInTheLimelight: This is a very J'onn-focused episode.

* TheReasonYouSuckSpeech: Adam gave Cat one for both being a MissingMom and her persistent ItsAllAboutMe attitude.

* ANaziByAnyOtherName: The White Martians are most definitely painted as Martian Nazis, including labour camps, body pits and furnances.

* ANaziByAnyOtherName: The White Martians are most definitely painted as Martian Nazis.

* ANaziByAnyOtherName: The White Martians, including labour camps and furnances.

A White Martian arrives on Earth looking for J'onn.

* AlwaysChaoticEvil: The White Martians are presented as a whole species of bloodthirsty mass murderers.

* ADayInTheLimelight: This is a very J'onn focused episode.

* FantasticRacism: The White Martian sees Green Martians as insects and humans as worm food.

* HeelFaceTurn: Senator Crane had a change of heart at the end of the episode regarding aliens after Supergirl rescued her.

* IfYouKillHimYouWillBeJustLikeHim: Supergirl talks J'onn out of killing the White Martian because then he'd be no better than their kind.

* ItsAllMyFault: J'onn couldn't stop blaming himself for not realizing that the White Martian infiltrated the DEO sooner, and the agents died because of J'onn.

* LikeADaughterToMe: J'onn calls both Danvers sisters this at the end, in memory of his own two deceased daughters..
* MythologyGag : The episode's title is a direct reference to Superman's classic description.

* PoliticallyIncorrectVillain: The White Martian, obviously. He refers to Green Martian's as insects, and thinks even less of humans.
* ShipTease: Adam is obviously interested in Kara and openly flirts with her. Cat plays ShipperOnDeck for them.

* ThisWasHisTrueForm: When the White Martian gets his finger shot off while in the form of Miranda Crane, the finger reverts to its normal form.

* WoundedGazelleGambit: After the White Martian's disguise is blown, he goes back to his lair and pretends to be Miranda Crane again, kept alive by the White Martian. It isn't until Hank finds the real one that they realize they've been played, and by then it's too late to stop the White Martian from taking Alex.

** Crane is bigoted against all aliens, [[DoesThisRemindYouOfAnything seeing them as only here to take resources that aren't their's.]] She gets better at the end of the episode after Supergirl saves her life.

** [[InvertedTrope Inverted]] when Supergirl defeats her, in White Martian form, and she suddenly transforms back into Senator Crane.

* NoCelebritiesWereHarmed: Senator Crane is running a campaign of vicious anti-alien fearmongering, and proposes building a dome around the Earth to keep them out. How do you suppose the writers feel about Donald Trump?

* DebutQueue: The episode marks the debut of Adam Foster and SelfDemonstrating/{{Bizarro}}'s official outing as "Supergirl".

* AcceptableTargets: The reason why Cat gives Senator Crane's anti-alien stance more coverage is because bigots like her tend to sabotage themselves if you give them enough opportunities.

* EvilTwin: Lord's Lab 52 plan comes to fruition in the final scene, revealing a Supergirl copy that has her basic powerset.

* AdaptationalVillainy: White Martians in the comics were a horribly oppressed minority, the irony being that they and Mars as a whole were the opposite of Earth. Here they are Nazis.

* AcceptableTargets: The reason why Cat gives Senator Crane's anti-alien stance more coverage is because bigots like her then to sabotage themselves if you give them enough opportunities.

* AcceptableTargets: The reason why Cat gives Senator Crane's anti-alien stance more coverage is because she's waiting for bigots like her to sabotage herself.
* AdaptationalVillainy: White Martians in the comics were a horribly oppressed minority, the irony being that they and Mars as a whole were the opposite of earth. Here they are Nazis.
* DoesThisRemindYouOfAnything: J'onn describes the horrors that the Green Martian faced when the White Martians imprisoned them in labour camps and send multiple corpses into the ditches. J'onn also mentioned how his wife and two daughters were sent to the Furnace and are burnt to death.

* ShoutOut: The portrayal of Green and White Martians owes far more to the races of the same names in ''Literature/JohnCarterOfMars'' than the DC Universe.