- Supergirl uses an holographic projector built in her glasses to change her hair's color right like in Supergirl (2016).
- As per tradition since Superman: The Movie, Supergirl debuts saving a falling aircraft.
- Kara doesn’t do contractions. It's also taken from the 2016 comic series.
- When the family is told about Martian Manhunter, Alex asks if he's like Marvin the Martian.
- Kara adopts a pet cat and calls him Streaky. Streaky first appeared in the comics in Supergirl's Super Pet.
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