8.0/1020 votes#1 - Think Fast
Season 4 Episode 22 - Aired 5/15/2018
When DeVoe assaults an A.R.G.U.S. facility to complete his Enlightenment Machine, Barry realizes the only way he can stop him is if he allows Cisco and Caitlin to accompany him into the facility. Still shaken by Ralph’s death, Barry isn’t sure he wants to risk any more of his friends’ lives and considers taking on DeVoe solo.
Director: Viet Nguyen
Writer: Kristen Kim
7.7/106 votes#2 - Hear No Evil
Season 9 Episode 2 - Aired 2/15/2023
Barry feels guilty for what happened to Caitlin, and Mark comes up with a plan that makes everyone skeptical. Meanwhile, Red Death looms in Central City and commands that failure is not an option. Joe asks Cecile to make a choice that leads Cecile to think about the greater good. Allegra and Chester take a step in a new direction. Lastly, old friends pay an unexpected visit to S.T.A.R. Labs.
Director: Eric Wallace
Writer: Kristen Kim
7.4/108 votes#3 - The Last Temptation of Barry Allen (2)
Season 6 Episode 8 - Aired 12/3/2019
With The Flash freshly infected by the monstrous Bloodwork, Iris and Cisco battle to help Barry take control of himself before he’s lost forever to Ramsey’s influence. Meanwhile, the rest of Team Flash fight to reclaim control of Central City from Bloodwork’s growing army.
Director: Michael Nankin
Writer: Kristen Kim
7.3/107 votes#4 - Grodd Friended Me
Season 6 Episode 13 - Aired 2/25/2020
Feeling overwhelmed with all the changes since Crisis, Barry conducts an experiment that goes awry and puts him directly in Gorilla Grodd’s path. Expecting the worst, Barry is surprised when Grodd asks for his help. Unfortunately for both The Flash and Grodd, things get worse when another villain appears – Solovar. Meanwhile, Iris works with Eva to escape the Mirrorverse.
Director: Stefan Pleszczynski
Writer: Kristen Kim
7.3/106 votes#5 - Wildest Dreams
Season 9 Episode 7 - Aired 3/29/2023
Iris is visited by Nia Nal, as she needs Iris' help. When Iris and Nia fall into a fever dream and explore different possibilities for their lives, Barry, Chester, Allegra, and Cecile desperately try to help them. Meanwhile, Mark entertains Khione, but they have different ideas of what is fun, leaving Khione to feel that Mark is trying to make her something she is not.
Director: Jesse Warn
Writer: Kristen Kim
7.3/1021 votes#6 - The Trial of The Flash
Season 4 Episode 10 - Aired 1/16/2018
As Barry’s trial for the murder of Clifford DeVoe begins, Iris and Joe must decide how far they are willing to go to keep Barry out of prison.
Director: Phil Chipera
Writer: Kristen Kim
7.2/1020 votes#7 - Null and Annoyed
Season 4 Episode 17 - Aired 4/10/2018
Barry and Ralph take different approaches to finding the remaining bus metas before DeVoe gets to them. However, Ralph's cavalier attitude frustrates Barry and the two clash over what it means to be a hero. Meanwhile, Breacher returns to ask Cisco for a favor.
Director: Kevin Smith
Writer: Kristen Kim
7.1/1018 votes#8 - The Icicle Cometh
Season 5 Episode 6 - Aired 11/20/2018
Caitlin, Barry and Cisco learn something new about Caitlin’s father. Meanwhile, Iris and Sherloque follow a clue about Cicada.
Director: Chris Peppe
Writer: Kristen Kim
7.0/1014 votes#9 - Memorabilia
Season 5 Episode 12 - Aired 1/29/2019
When Sherloque wants to use a memory machine on Barry and Nora to help gain access to Grace's memories, Nora panics, fearing her parents will find out the secrets she's been keeping from them. Nora secretly decides to use the machine on her own which ends in disaster after she gets trapped inside Grace's mind. Barry and Iris go in after their daughter and Iris is brokenhearted by what she finds. Meanwhile, Ralph tricks Cisco into going out for a night out on the town.
Director: Rebecca Johnson
Writer: Kristen Kim
7.0/1015 votes#10 - Time Bomb
Season 5 Episode 17 - Aired 3/19/2019
Team Flash finds out that a suburban mom named Vickie Bolen is in danger and they race to save her. Upon meeting her, they discover she’s a meta-human who is hiding her abilities from her family. Barry encourages Vickie to share her secret with her family, which makes Nora realize she needs to come clean with her parents about Thawne.
Director: Rob J. Greenlea
Writer: Kristen Kim
6.6/1010 votes#11 - Mother
Season 7 Episode 3 - Aired 3/16/2021
As Eva becomes more powerful, Barry and team must find a way to stop her. They are shocked when an old friend - Sue Dearbon risks her life to help.
Director: David McWhirter
Writer: Kristen Kim
6.2/106 votes#12 - Armageddon (5)
Season 8 Episode 5 - Aired 12/14/2021
An opportunity presents itself for The Flash to end his lifelong battle with Reverse Flash for good, but the payoff could be too much for Barry and team to handle. Meanwhile, Mia Queen drops in from the future looking to save a lost loved one, and she won't let anything stand in her way.
Director: Menhaj Huda
Writer: Kristen Kim
6.0/106 votes#13 - P.O.W.
Season 7 Episode 16 - Aired 7/6/2021
John Diggle arrives in Central City with a weapon to help Barry stop the Godspeed War. Meanwhile, Allegra and Ultraviolet's new bond is put to the ultimate test, while Joe and Kristen Kramer are hunted by a former colleague of hers.
Director: Marcus Stokes
Writer: Kristen Kim
5.9/109 votes#14 - Timeless
Season 7 Episode 9 - Aired 5/11/2021
After a devastating betrayal, Barry turns to Timeless Wells for help. Meanwhile, Iris leads Team Citizen down a dangerous road in search of answers, and Cisco confides his biggest fear to Kamilla.
Director: Menhaj Huda
Writer: Kristen Kim
5.8/104 votes#15 - Keep It Dark
Season 8 Episode 17 - Aired 6/8/2022
The Flash goes off the grid to look for answers about a new Meta in town. Meanwhile, Allegra pulls out all of the stops at CC Citizen Media, to protect a source and a friend.
Director: Danielle Panabaker
Writer: Kristen Kim
5.7/107 votes#16 - So Long and Goodnight
Season 6 Episode 16 - Aired 4/21/2020
After Black Hole hires Rag Doll to kill Joe, Singh suggests he go into Witness Protection but Joe refuses to stop investigating Carver. While investigating Carver with Cisco, Ralph runs into Sue. Iris becomes suspicious of Eva.
Director: Alexandra La Roche
Writer: Kristen Kim
5.6/1024 votes#17 - Girls Night Out
Season 4 Episode 5 - Aired 11/7/2017
Having received an ominous threat from her old boss, Amunet, Caitlin fears that her past time as Killer Frost may be back to haunt her. Felicity comes to Central City to help the girls celebrate Iris's bachelorette party, while Cisco, Joe and the guys take Barry out for a night on the town.
Director: Laura Belsey
Writer: Kristen Kim
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Kristen Kim Ratings Summary
"Think Fast" is the best rated episode written by Kristen Kim. It scored 8/10 based on 20 votes. It was directed by Viet Nguyen. It aired on 5/15/2018 and is rated 0.3 points higher than their second-best episode, "Hear No Evil".