The best episode written by Caitlin Parrish is "Midvale", rated 7.813/10 from 16 user votes. It was "directed by Rob J. Greenlea". "Midvale" aired on 11/13/2017 and is rated 0.5 point(s) higher than their second highest rated, "Homecoming".
Kara and Alex head home to Midvale for a little R&R. While there, Kara recalls a painful memory of a childhood friend's death and how that traumatic experience brought the Danver sisters closer together.
Director: Rob J. Greenlea
Writer: Caitlin Parrish
When Jeremiah Danvers is rescued from Cadmus, Alex and Kara are thrilled to have their father back. The Danvers arrange a family dinner to celebrate but things go awry when a suspicious Mon-El starts to question Jeremiah about his sudden return.
Director: Larry Teng
Writer: Caitlin Parrish
Lena’s ex-boyfriend, Jack Spheer, comes to National City to unveil his big breakthrough in nano-technology, which has the potential to eradicate all diseases. Lena asks Kara to attend Jack’s conference with her for support. When Kara sees Snapper in attendance she’s inspired to tap back into her reporter skills and questions Jack on his discovery, which ultimately leads to a bigger investigation that puts everyone in danger.
Director: Armen V. Kevorkian
Writer: Caitlin Parrish
Kara's Thanksgiving may be ruined when she suspects her foster mother, Dr. Danvers, who is coming to town, disapproves of her new role as a superhero. Also, when an accident transforms a volatile CatCo employee into the villainous Livewire, she targets Cat and Supergirl.
Director: Kevin Tancharoen
Writer: Caitlin Parrish
While the manhunt for Barbie continues, Big Jim gets the residents of Chester’s Mill riled up and the town demands justice for all of Barbie’s supposed crimes. Meanwhile, Joe and Norrie must find a new hiding place for the mini dome.
Director: Peter Leto
Writer: Caitlin Parrish
After Livewire seemingly breaks out of prison, Supergirl is intent on recapturing her. After training Mon-El, Supergirl takes him with her when she sees Livewire attack the NCPD but things go awry when Mon-El puts Supergirl before the citizens of National City. Meanwhile, James decides to come clean with Kara and M’Gann, has a psychic attack and collapses into a coma.
Director: Rebecca Johnson
Writer: Caitlin Parrish
Kara must help Hank face his painful past when a White Martian, a member of the alien race that wiped out his people, kidnaps Senator Miranda Crane, an anti-alien politician. Also, Cat's estranged son, Adam, arrives in National City.
Director: Glen Winter
Writer: Caitlin Parrish
Supergirl investigates a mysterious symbol popping up all over National City, tracing its origins back to an ancient prophecy and the mark of the World Killer, Reign. Meanwhile, the tension between Lena and Morgan Edge continues to build, causing James to step in and offer up some protection, and possibly igniting a spark in the process.
Director: Glen Winter
Writer: Caitlin Parrish
A cave-in severs Barbie and Sam's path back to Chester's Mill during their investigation of a mysterious tunnel; a dust storm rages through the town, as Big Jim and Julia face off in a power struggle.
Director: Jack Bender
Writer: Caitlin Parrish
CADMUS attacks National City with a Kryptonite-powered villain who ends up seriously hurting Supergirl. Superman blames Hank because the Kryptonite was stolen from the DEO. Meanwhile, Kara’s first day at her new job doesn’t go as planned after she meets her new boss, Snapper Carr.
Director: Glen Winter
Writer: Caitlin Parrish
Kara must find a way to free her friends when Non and Indigo use mind control to turn National City’s citizens into their own army.
Director: Adam Kane
Writer: Caitlin Parrish
When Winn’s father dies, his estranged mother, Mary, reappears trying to reconnect and to explain why she abandoned him all those years ago. Winn is too embittered from his rough childhood to forgive her but when a copycat Toyman attacks, the two must work together to stop him. Mon-El tells Kara something important about the Worldkillers, and Alex becomes suspicious of Myr'nn’s recent behavior.
Director: Glen Winter
Writer: Caitlin Parrish
Just as the walls start to close in on those trapped in Chester's Mill, a possible exit from the dome is revealed.
Director: Jack Bender
Writer: Caitlin Parrish
Big Jim takes matters into his own hands when he feels his authority slipping away, and the Dome displays its power when a life is taken just as a newborn arrives.
Director: Miguel Sapochnik
Writer: Caitlin Parrish
Kara goes toe-to-toe with Astra when her aunt challenges Kara’s beliefs about her mother. Also, Cat is threatened with being removed as the CEO of CatCo after a hacker exposes her private and damaging emails.
Director: Karen Gaviola
Writer: Caitlin Parrish