After being rescued from a Cadmus convoy, Jeremiah Danvers (Dean Cain) returns to the DEO to a hero’s welcome—mostly. While Kara and Alex are blinded by the joy of having their father back after fifteen years, Mon-El’s "outsider" perspective allows him to see the holes in the story. His skepticism creates immediate friction, turning a happy family dinner into a tense interrogation. A House Divided

Despite the conflict, the episode reinforces that Kara and Alex are each other's true home.

Family reunions are usually cause for celebration, but in National City, they’re rarely that simple. In the fourteenth episode of Supergirl’s second season, titled the long-awaited return of Jeremiah Danvers sets off a chain reaction of emotional conflict and tactical suspicion that keeps viewers on the edge of their seats. The Return of Jeremiah Danvers

For a deeper dive into the episode details and cast credits, you can check out the full recap on TV Tropes or browse discussions in the Lillian Luthor archives .

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The tragedy of the episode lies in the reveal that Mon-El was right. Jeremiah has been compromised by Cadmus, specifically Lillian Luthor. His mission wasn't an escape; it was a theft of the DEO’s national alien registry. High Stakes and Hard Choices

"Homecoming" serves as a pivotal turning point for Season 2. It isn't just about the plot of the alien registry; it’s an exploration of how trauma and love can cloud judgment. It forces the characters to realize that even the people they love most can become the greatest threats.

Having spent her life driven by the goal of finding her father, Alex is fiercely protective of him, leading to a temporary rift with Kara.