The Cameo: Supergirl essentially appears in for the final minute and a half of the episode.
Eye Beams: Supergirl uses her heat vision to knock the phone that Andrey Nazarov was going to use to photograph an unmasked Batgirl with out of his hand. Supergirl then uses her heat vision again to destroy the phone.
Face, Nod, Action: Supergirl silently nods after Batgirl thanks her for her help.
Bilingual Dialogue: Supergirl asks Max in English, if he saw the Dark Supergirl. When Max in Russian, tells Supergirl that he doesn't understand why she's asking him about Dark Supergirl, she tells him in English that it's because he's popular in college.
Convenient Photograph: Max is informed that Linda and Supergirl are actually friends as evidence by a photo on Instagram.
"Just Joking" Justification: Max tells Supergirl that he was joking when he said in an Instagram post that superheroes don't exist.
Real After All: Max merely says "Cool!" after being shown a photograph of Linda and Supergirl together. This was after Max told Linda that superheroines like Supergirl didn't really exist.
Big Damn Heroes: Supergirl walks into a conversation that Dark Supergirl with a police officer, who is attempting to arrest her and says in English "What happened here, what are you doing?"
Bilingual Dialogue: In an alternative scene from the closing credits, a cop exposes Supergirl to a stone that's made of Kryptonite. The cop says to a subdued Supergirl in Russian, "Sorry. I really hate to do this, but I'm Your Biggest Fan!" As Supergirl is lying on her back, she says to the cop in English "Please let me go, don't do this to me!"
Confronting Your Imposter: While thanking her for her help, the police officer tells Supergirl that Dark Supergirl is an imposter.
Language Fluency Denial: Dark Supergirl says to Supergirl upon the latter's arrival "Stop! I know you speak Russian. I watched your interview for channel 4.0."
Only in It for the Money: Supergirl asks Dark Supergirl in Russian if she thinks that she could just take the stolen money for herself. Dark Supergirl responds by saying "Of course I can. Do you wanna try to stop me.
You Will Be Spared: Supergirl tells Dark Supergirl to get out of here before telling her that she'll give her a chance. Afterwards, Dark Supergirl tells Supergirl that she is a good examplefor her. Dark Supergirl however, then says that next time they meet, it will be no mercy.
Bilingual Dialogue: Upon her arrival, Supergirl says to Artur in English "Hey, what's going on here?" Artur then says to Supergirl in Russian "Glad to see you! Please save us from this madnessbitch!" Later, Supergirl asks Dark Supergirl if she's okay in English. Dark Supergirl then says to her in Russian "I didn't ask to be saved. Max! Come to me!"
"Blind Idiot" Translation: After Supergirl warns Dark Supergirl to not to hurt Max, Dark Supergirl says to her "I will not warning you anymore!" Later, when Max asks Dark Supergirl if Supergirl is still alive, Dark Supergirl says "Yes, but Inot sure. Take it." After Dark Supergirl gives Max the bracelet that Artur used to Mind Control her, she says in regards to Supergirl "No. Put it on her hand and she will totally on your control."
Cat Fight: Supergirl ultimately finds herself having to fight Dark Supergirl.
Kick Chick: After winning a Beam-O-War against Artur, Supergirl kicks in straight in the gut.