- "Lena I'm asking you as a friend."
- "We're not friends."
"We used to be."
- —Andrea and Lena on the status of their friendship.
- This is the first episode of the series to not feature Azie Tesfai (Kelly Olsen) after being promoted to a series regular.
- There is no Mount Helena Boarding School However, there is a private school Mount Helena Primary School in Australia.
- Jon Cryer makes an uncredited appearance as Lex Luthor.
- Superman, Cat Grant, Olivia Marsdin, and Malefic J'onzz are mentioned, but do not appear.
- This episode included a large number of flashbacks including:
- When Lena Luthor decided to move to National City after Supergirl stopped the Myriad attack in "".
- When Supergirl and Superman saved Lena Luthor in ""
- Lex Luthor telling Lena that Kara Danvers in Supergirl in "".
- Lena Luthor watching Supergirl save a school bus on the news in "".
- This episode also includes a flashback with-in a flashback from ""
- In a flashback;
- Supergirl saved the school bus in "", 10 weeks ago, however the episode claimed 2 weeks later Lena called Andrea Rojas into her office to negotiate selling CatCo Worldwide Media. However, Lena had already sold the company in "The Quest for Peace", before Supergirl saved the school bus.
- The flashback to when Lena and Andrea met each other takes place 15 years ago, although Lena is 26, which would mean she would have only been 11 then.
- Also sneaking into a public bar to drink at 11 years old is highly impossible to do.
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