Supergirl was ordered to series in May 2015, and later picked up for a full season in November 2015, with filming taking place primarily in Los Angeles.

Melissa Benoist stars in the title role, and is joined by principal cast members Mehcad Brooks, Chyler Leigh, Jeremy Jordan, David Harewood, and Calista Flockhart.

Meanwhile, Supergirl has a run-in with Barry Allen / Flash, a superhero from a parallel universe, whom she asks for his help to find Livewire and Silver Banshee.

After a climactic fight in a downtown park, Kara is able to subdue them and win back National City's trust.

The hosts of The Talk, Sara Gilbert, Julie Chen, Sharon Osbourne, Aisha Tyler and Sheryl Underwood, cameo as themselves.

[61] On September 20, it was announced that CBS had landed Supergirl with a series commitment,[62] with an expected premiere in 2015 of the 2015–16 television season.

[64] In January 2015, CBS Entertainment chairwoman Nina Tassler revealed the show would be a procedural, saying, "There will be [crime] cases, but what [executive producers] Ali Adler and Greg Berlanti pitched was a real series arc for her.

The beauty of it is now with shows like The Good Wife and Madam Secretary, you can have serialized story elements woven into a case of the week.

[68] Benoist later revealed that auditioning for the part "was a long, drawn-out, three-month process";[69] she was the first actress looked at for the role,[70] although Claire Holt and Gemma Atkinson were also considered.

The website's consensus reads, "Melissa Benoist shines as Superman's plucky little cousin in Supergirl, a family-friendly comic-book adaptation that ditches cynicism for heart.

[110] Max Nicholson of IGN gave the season a score of 7.3 out of 10, along with the verdict, "While Supergirl's first season disappointed in several key areas -- namely its villains and romantic subplots -- Supergirl herself was spot-on, and the story offered several surprising twists (e.g., Hank Henshaw as J'onn J'onzz).

"[111] Reviewing the season as a whole, Colin Campbell of Polygon criticized the costumes, fight sequences, the ludicrous villains, the predictable nature of the plot, and felt that the title character was not "Super enough", but noted that "unless your interest is in seeing yet another comic-book franchise transferred reverently to the screen they're of only marginal concern.