The best episode written by Geoff Johns is "Legion", rated 9/10 from 9 user votes. It was "directed by Glen Winter". "Legion" aired on 1/15/2009 and is rated 0.0 point(s) higher than their second highest rated, "Absolute Justice".
The Persuader attacks Clark; Chloe, as Brainiac, tells Davis he is Doomsday and that he was created to destroy the "other Kryptonian" and the world.
Director: Glen Winter
Writer: Geoff Johns
A man named Sylvester Pemberton tracks down Chloe and tells her he knows about her team of superheroes and needs their help. However, before he can explain who he is, he is attacked and killed by Icicle. Clark and Chloe's investigation leads Clark to the former headquarters of the Justice Society of America where he meets up with Nelson AKA Dr. Fate, Carter Hall AKA Hawkman and Courtney AKA Star Girl. Courtney pleads with Hawkman and Dr. Fate to help her catch the killer that is targeting their group but they are reluctant to resume their duties as superheroes. Clark, John Jones, Green Arrow and Chloe team up to help the JSA stop Icicle before he murders another member of the group. Meanwhile, Lois receives a package from a mysterious agency called Checkmate, run by Amanda Waller.
Director: Tom Welling
Writer: Geoff Johns
After everything that happened with the VRA, Lois tells Clark it’s best to make “Clark Kent” forgettable and awkward so people don’t suspect he’s The Blur. However, the two are stunned when a fame-hungry superhero from the future, Booster Gold, sweeps into town and begins making saves and posing for press ops, completely winning over the city of Metropolis. Booster begins his campaign to take The Blur’s place as the “World’s Greatest Superhero” and tries to charm Lois into writing a story about him, but she’s not having his antics and begins her own campaign for The Blur. During one of Booster’s saves, an alien weapon in the form of a scarab falls from a truck and fuses itself to a boy named Jaime Reyes, turning him into the Blue Beetle. Unfortunately, Jaime is unable to control the suit and Blue Beetle starts attacking Metropolis.
Director: Tom Welling
Writer: Geoff Johns
Oliver and Diggle learn that Deadshot is still alive and his next target is Malcom. Malcom invites Tommy to attend a benefit honoring Malcom for his work with Starling City but Tommy refuses to attend. Oliver encourages his friend to mend his relationship with his father while he can. Meanwhile, Oliver struggles to balance his new relationship with McKenna and his duties as Arrow.
Director: Glen Winter
Writer: Geoff Johns
Gar brings Rachel home to his “family” – a group of misfit medical experiments we’ll come to know as The Doom Patrol (including Robotman, Negative Man and Elastigirl).
Director: John Fawcett
Writer: Geoff Johns
Courtney and the JSA find themselves in the fight of their lives against their biggest threat yet.
Director: Walter Garcia
Writer: Geoff Johns
As the Injustice Society of America come closer to accomplishing their mission, Courtney and the JSA face off against Icicle and the villains of the ISA.
Director: Greg Beeman
Writer: Geoff Johns
The Flash battles Captain Cold after the villain is involved in a robbery and plots to steal the Kahndaq Dynasty Diamond.
Director: Glen Winter
Writer: Geoff Johns
Rachel and Kory travel to the convent where Rachel was raised, while Dick compares his own orphan experience to Rachel’s. Meanwhile, Rachel befriends Gar Logan.
Director: Kevin Rodney Sullivan
Writer: Geoff Johns
While Barry strives to become fast enough to defeat Reverse-Flash, Captain Cold returns to Central City with a partner and takes Caitlin hostage to force a confrontation with the Flash.
Director: Nick Copus
Writer: Geoff Johns
The origin story of Hank Hall and Dawn Granger’s relationship and the loss in each of their pasts that brings them together as vigilante Super Heroes Hawk and Dove.
Director: Akiva Goldsman
Writer: Geoff Johns
After a recent experience renews Courtney's confidence, she sets out to make amends with those around her. Jakeem puts his foot down after Mike shares his latest plan.
Director: Andi Armaganian
Writer: Geoff Johns
The season premiere continues the apocalyptic events of last season as Trigon sets out to win the Titans over to his side by embracing their inner darkness.
Director: Carol Banker
Writer: Geoff Johns
Courtney Whitmore moves to Nebraska with her family and discovers her stepfather, Pat Dugan is hiding a major secret.
Director: Glen Winter
Writer: Geoff Johns
With Starman back from the dead and her former super-villain enemies vowing to reform, Courtney is hopeful that there will finally be peace in Blue Valley.
Director: Andi Armaganian
Writer: Geoff Johns
While Pat uncovers new information about the ISA’s plan, Courtney’s life gets turned upside down when someone from her past arrives in Blue Valley.
Director: Jennifer Phang
Writer: Geoff Johns
As Eclipso unleashes the final part of his master plan, Courtney, Pat and the JSA band together to take him down once and for all.
Director: Greg Beeman
Writer: Geoff Johns
After Courtney has an unexpected run-in with a member of the Injustice Society of America, Pat reveals the truth to her about their history.
Director: Greg Beeman
Writer: Geoff Johns
With summer break around the corner, Pat suggests the family take a vacation after seeing that Courtney has been spending too much time focused on being Stargirl and not enough time on her schoolwork. Meanwhile, as Beth attempts to reconnect with Chuck, she stumbles upon a major secret her parents have been keeping from her. Elsewhere, Yolanda continues to be haunted by Brainwave's death, and Rick secretly tracks Solomon Grundy after suspecting he may still be in the area.
Director: Andi Armaganian
Writer: Geoff Johns
Desperate to leave his mark, Jason Todd confronts the Joker once and for all. But when fatal consequences ensue, Dick Grayson is forced to step away from the Titans and return to Gotham City.
Director: Carol Banker
Writer: Geoff Johns
Krista Starr returns home from Iraq, and it's not long before she finds out her twin brother Zack, has been killed. She hunts for the man that killed her brother. Blade is also hunting for the same man, which Krista and Blade team up to take down, but things don't turn out so good for Krista.
Director: Peter O'Fallon
Writer: Geoff Johns