8.1/1014 votes#1 - The Speed of Thought
Season 7 Episode 2 - Aired 3/9/2021
When Barry suddenly gains the power of speed thinking, he attempts to use his new gift to save Iris. While Barry is thrilled with his new power, Cisco is hesitant to trust it. Meanwhile, Eva must face a shattering truth.
Director: Alexandra La Roche
Writer: Jonathan Butler
7.7/1020 votes#2 - The Death of Vibe
Season 5 Episode 3 - Aired 10/23/2018
After Cicada's attack on The Flash, the team realizes they need to think outside the box to stop this dangerous new foe. Desperate to help her parents, Nora comes up with a plan that ultimately puts a member of Team Flash in danger. Meanwhile, Caitlin delves into her past.
Director: Andi Armaganian
Writer: Jonathan Butler
7.7/106 votes#3 - 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: Jonathan Butler
7.6/108 votes#4 - The Last Temptation of Barry Allen (1)
Season 6 Episode 7 - Aired 11/26/2019
As Barry Allen stands on the threshold of his impending death in Crisis, his convictions are tested when the monstrous Dr. Ramsey Rosso infects The Flash with a mysterious, hallucinogenic contagion. Meanwhile, reporter Iris West-Allen uncovers a vast conspiracy.
Director: Chad Lowe
Writer: Jonathan Butler
7.5/1019 votes#5 - Lose Yourself
Season 4 Episode 18 - Aired 4/17/2018
When Barry and Team Flash find a way to enter The Thinker’s lair, Ralph considers crossing a dangerous line to defeat DeVoe. Meanwhile, Joe is concerned by Harry’s recent behavior.
Director: Hanelle M. Culpepper
Writer: Jonathan Butler
7.4/108 votes#6 - The People v. Killer Frost
Season 7 Episode 8 - Aired 5/4/2021
With Frost facing an unjust punishment for her past crimes, Caitlin goes to great lengths to save her sister. Meanwhile, Barry's efforts to protect Speed Force Nora lead to a shocking discovery.
Director: Sudz Sutherland
Writer: Jonathan Butler
7.2/104 votes#7 - A New World (3)
Season 9 Episode 12 - Aired 5/17/2023
Team Flash works together to figure out how to protect Barry, all while being very careful who they trust. Cecile is skeptical of the plan after an unsuccessful attempt. Khione's confidence in Chester enables him to convince Cecile to try one more time.
Director: Stefan Pleszczynski
Writer: Jonathan Butler
7.0/1020 votes#8 - True Colors
Season 4 Episode 13 - Aired 2/6/2018
After hearing that Amunet has struck a deal to buy all of the metahumans in Iron Heights, Barry must decide if he should expose his powers in order to save his cellmates. After a visit from an old friend, Ralph is reminded of his shady past and wonders if he’s really a changed man.
Director: Tara Nicole Weyr
Writer: Jonathan Butler
6.8/1020 votes#9 - When Harry Met Harry...
Season 4 Episode 6 - Aired 11/14/2017
When collectors of Native American artifacts are attacked by a meta named Mina Chayton who can bring inanimate objects to life, Barry turns to a surprising ally for help. Determined to crack the identity of The Thinker, Harry enlists Cisco's help to summon the ultimate think tank: "The Council of Wells'," a roundtable of the brightest Harrison Wells' from various Earths.
Director: Brent Crowell
Writer: Jonathan Butler
6.8/1018 votes#10 - O Come, All Ye Thankful
Season 5 Episode 7 - Aired 11/27/2018
While Nora grapples with unresolved anger over her father’s disappearance in the future, Barry and Team Flash must stop a powerful new meta, Weather Witch, from killing her own father, Weather Wizard.
Director: Sarah Boyd
Writer: Jonathan Butler
6.7/107 votes#11 - Armageddon (2)
Season 8 Episode 2 - Aired 11/23/2021
Despero warns The Flash that great tragedies will befall the speedster and cause him to lose his mind. Once that happens, Armageddon will begin. Determined to prove Despero wrong, Barry doubles down on proving his innocence but a devastating revelation from Iris pushes him to the edge and sends him to seek counsel from Black Lightning.
Director: Menhaj Huda
Writer: Jonathan Butler
6.6/1014 votes#12 - Goldfaced
Season 5 Episode 13 - Aired 2/5/2019
Barry and Ralph must go undercover as criminals in an illegal black market to purchase a device that could help them stop Cicada. Once inside, Barry and Ralph find their morality tested as they slip deeper into the criminal world, eventually having to choose between committing a crime, or losing the means to defeat one of their greatest foes. Meanwhile, Iris investigates a lead on Cicada's whereabouts and ends up in a dangerous situation.
Director: Alexandra La Roche
Writer: Jonathan Butler
6.6/1014 votes#13 - Snow Pack
Season 5 Episode 19 - Aired 4/23/2019
When Icicle returns to enact the next phase of his devious plan, Caitlin and her mother, Dr. Carla Tannhauser, must resolve their long-combative relationship to defeat the icy monster. After Barry makes a big decision about their family without consulting her, Iris decides to take matters into her own hands.
Director: Jeff Cassidy
Writer: Jonathan Butler
6.4/106 votes#14 - Negative (1)
Season 8 Episode 19 - Aired 6/22/2022
The Flash and team are in for the fight of their lives, meanwhile, Iris discovers the cause of her time sickness.
Director: Jeffrey W. Byrd
Writer: Jonathan Butler
6.3/1022 votes#15 - Mixed Signals
Season 4 Episode 2 - Aired 10/17/2017
Barry has his hands full when he takes on a dangerous meta who can control technology, while also confronting an obstacle in his personal life: the ramifications of abandoning Iris for six months to balance the Speed Force. Meanwhile, Gypsy breaches in for a hot date with Cisco, but she gets annoyed when his work keeps them apart.
Director: Alexandra La Roche
Writer: Jonathan Butler
6.3/109 votes#16 - Liberation
Season 6 Episode 17 - Aired 4/28/2020
After recent events, Barry takes a closer look at his life with Iris. Eva makes a bold move.
Director: Jeffrey W. Byrd
Writer: Jonathan Butler
Popular searches:
The Best Episodes Written By Jonathan Butler
Every TV Episode Written by Jonathan Butler Ranked from Best to Worst by Thousands of Voters
Jonathan Butler Ratings Summary
"The Speed of Thought" is the best rated episode written by Jonathan Butler. It scored 8.1/10 based on 14 votes. It was directed by Alexandra La Roche. It aired on 3/9/2021 and is rated 0.4 points higher than their second-best episode, "The Death of Vibe".