Ep 2. Fallout

Kara Danvers, aka Supergirl, returns in the second episode of season 4, titled "Fallout." After facing off against infamous DC villain Reign last season, Supergirl is back to fighting crime and keeping the city safe from harm.

In "Fallout," the residents of National City are still reeling from the revelation that aliens exist and walk among them. With alien refugees seeking asylum on Earth, tensions are high and the city is on edge. Supergirl finds herself at the center of this controversy when an anti-alien extremist group emerges, threatening the safety of both humans and aliens.

The episode also features the return of Lena Luthor, who is struggling to come to terms with her family's nefarious reputation. Lena is working tirelessly to prove that she is different from her family and can be trusted. When her latest experiment goes awry, Lena turns to Supergirl for help.

Meanwhile, Alex Danvers is dealing with the aftermath of her breakup with Maggie Sawyer. As she tries to move on, Alex finds herself struggling with her identity and her place in the world. When an old flame resurfaces, Alex is forced to confront her feelings and decide what she really wants out of life.

"Fallout" is a thrilling episode that continues Supergirl's exploration of complex issues such as prejudice and identity. With stunning action sequences and nuanced character development, this episode is a must-watch for fans of the series.