7.9
/10
Walter O'Brien is a fictional character portrayed by Elyes Gabel in the TV series Scorpion.
In the first episode they appeared in, titled Pilot (season 1), they were 31 years old.
They appear in all 93 aired episodes and have accumulated 248777 positive votes.
The character of Walter O'Brien is mainly associated with Paige Dineen, Cabe Gallo and Happy Quinn.

Walter O'Brien

by Elyes Gabel

character

Episodes93

  • 7.4
    /10

    Pilot

    episode S1.E1 september 2014
    Walter O'Brien and his team of super geniuses are assigned, by the government, to help land airplanes after the communication system shuts down.
  • 7.4
    /10

    Single Point of Failure

    episode S1.E2 september 2014
    The Scorpion team races to find who used a genetically targeted virus on four children, one of whom is the daughter of the governor. This case strikes close to home for Walter and Agent Gallo.
  • 7.4
    /10

    A Cyclone

    episode S1.E3 october 2014
    After Team Scorpion fails a military training mission, they are determined to prove their worth to Cabe and Homeland Security when a bomber threatens to take out the internet infrastructure of the entire Southwest.
  • 7.6
    /10

    Shorthanded

    episode S1.E4 october 2014
    When Team Scorpion goes to Las Vegas on a mission in a casino, Walter is framed for a robbery.
  • 7.3
    /10

    Plutonium Is Forever

    episode S1.E5 october 2014
    Walter and his team try to prevent a decommissioned nuclear plant from melting down, aided by a former member of scorpion.
  • 7.8
    /10

    True Colors

    episode S1.E6 october 2014
    Hetty Lange helps the scorpion gang solve a high end art fraud.
  • 7.2
    /10

    Father's Day

    episode S1.E7 november 2014
    The team is trying to capture escaped convicts from prison.
  • 7.3
    /10

    Risky Business

    episode S1.E8 november 2014
    Scorpion asks a music artist for help after he creates an algorithm that can produce popular songs and may find the killer of a music blogger; Drew asks Walter to help find a way to make a connection with his son.
  • 7.7
    /10

    Rogue Element

    episode S1.E9 november 2014
    Team Scorpion must help protect Cabe's ex-wife after she uncovers evidence that suggests foul play in the death of a prominent congressman.
  • 7.6
    /10

    Talismans

    episode S1.E10 november 2014
    The team must recover stealth technology from a military plane that was shot down in Bosnia. Walter's sister visits with Sylvester at the garage.
  • 7.7
    /10

    Revenge

    episode S1.E11 december 2014
    Sylvester is seriously injured when he accidentally triggers an explosive device during an investigation, and Team Scorpion searches for who is responsible.
  • 8
    /10

    Dominoes

    episode S1.E12 december 2014
    A 10-year-old boy is trapped in a rockslide/sinkhole near the beach. The team must find a way to rescue him before the rising tide fills it up with water.
  • 7.5
    /10

    Kill Screen

    episode S1.E13 january 2015
    The team tries to help Ralph when he is taken by the FBI for questioning after his web game play unintentionally reveals a CIA safe house's location.
  • 7.7
    /10

    Charades

    episode S1.E14 january 2015
    Team Scorpion is tasked with uncovering a mole inside the CIA whose judgment is clouded by matters of the heart and is being coerced into stealing deadly chemicals. Also, in preparation for the case, Paige gives Walter a flirting lesson.
  • 7.5
    /10

    Forget Me Nots

    episode S1.E15 january 2015
    The team works with an injured former Secret Service agent, attempting to restore his memories to avoid a nuclear launch from a secret US silo.
  • 7.5
    /10

    Love Boat

    episode S1.E16 february 2015
    Team Scorpion goes undercover on a cruise ship to locate and disable deadly stolen rockets. Meanwhile, as Valentine's Day approaches, Toby and Happy help Ralph, who is in the throes of his first crush.
  • 7.4
    /10

    Going South

    episode S1.E17 february 2015
    A tech billionaire hires the team to rescue his kidnapped daughter. Meanwhile, feelings are hurt when Walter gives an interview and fails to acknowledge the other members of the team.
  • 7
    /10

    Once Bitten, Twice Die

    episode S1.E18 march 2015
    When a conflict in Eastern Europe threatens to escalate, Team Scorpion is called on to help facilitate secret peace talks to prevent World War III.
  • 7.7
    /10

    Young Hearts Spark Fire

    episode S1.E19 march 2015
    While on a mission to save lost hikers, Team Scorpion's helicopter crashes, igniting a massive wildfire that quickly closes in on them. Also, Sylvester must help their injured pilot who is unable to make it to safer ground.
  • 7.6
    /10

    Crossroads

    episode S1.E20 march 2015
    To protect a key witness who is en route to testifying against a deadly drug cartel, Team Scorpion takes her on the run, with the cartel hot on their heels.
  • 8.1
    /10

    Cliffhanger

    episode S1.E21 april 2015
    Walter learns Cabe's long-hidden secret regarding the Baghdad mission and it threatens to tear Team Scorpion apart. Meanwhile, Ralph puts his life in danger to help the team.
  • 8.4
    /10

    Postcards from the Edge

    episode S1.E22 april 2015
    Team Scorpion is torn apart and uncertain about their future as a unit, but they are forced to come together to save Walter's life when his car teeters on the side of a cliff.
  • 7.5
    /10

    Satellite of Love

    episode S2.E1 september 2015
    The new Director of Homeland Security reunites the team when a nuclear powered Russian satellite is knocked out of orbit and must be diverted before it detonates over Southern California.
  • 7
    /10

    Cuba Libre

    episode S2.E2 september 2015
    Team Scorpion heads to Cuba when a woman from Cabe's past pleads for him to help catch a Serbian war criminal.
  • 7.9
    /10

    Fish Filet

    episode S2.E3 october 2015
    In order to save the lives of three judges, Sylvester goes undercover in a federal prison. Team Scorpion must break him out when his life is threatened.
  • 7.9
    /10

    Robots

    episode S2.E4 october 2015
    The team is called in to help a nuclear submarine on an exploratory mission to investigate possible spying.
  • 7.8
    /10

    Super Fun Guys

    episode S2.E5 october 2015
    The team goes undercover on the set of a superhero movie in Kazakhstan to dismantle a nuclear missile being sold by terrorists.
  • 8
    /10

    Tech, Drugs, and Rock 'n Roll

    episode S2.E6 october 2015
    Walter's attempt to "normalize" goes horribly wrong when a nefarious virus is uploaded to his computer, turning Scorpion's new "smart" building project into a burning death trap with people locked inside.
  • 8
    /10

    Crazy Train

    episode S2.E7 november 2015
    The team tries to stop a runaway train that Paige and Ralph are on.
  • 7.6
    /10

    Area 51

    episode S2.E8 november 2015
    Megan's condition gets worse. Walter starts to get frustrated about not being able to help her and in Walter's crazy quest for investors, the CIA appears in the garage with the promise of a big payday.
  • 8.1
    /10

    US vs. UN vs. UK

    episode S2.E9 november 2015
    Team Scorpion is blackmailed to break into the United Nations to assist in the assassination of a menacing arms dealer. Also, Sylvester makes a bold move to protect Megan's wishes.
  • 8.6
    /10

    Arrivals and Departures

    episode S2.E10 november 2015
    As Megan's condition worsens, the team gathers at the hospital. As they arrive, they find a pathogen has infected the hospital threatening all of their lives.
  • 7.7
    /10

    The Old College Try

    episode S2.E11 december 2015
    The Scorpion team goes under cover at a college to discover who is holding the federal reserve for ransom. Walter tries to help Ray, while Paige is trying to get Walter to express grief about Megan.
  • 7.7
    /10

    Dam Breakthrough

    episode S2.E12 december 2015
    Its Christmas Eve and Team Scorpion must prevent a catastrophe when torrential rains create a large crack in a dam. The fight to save an entire town from the threat of it wiping out an entire town in its wake.
  • 7.8
    /10

    White Out

    episode S2.E13 january 2016
    In order to save a United States Special Forces unit from certain death, the Scorpion Team must get through the very low temperatures of Antarctica to connect to a satellite in order to save the soldiers. Toby risks his life to save Happy.
  • 7.5
    /10

    Sun of a Gun

    episode S2.E14 january 2016
    Sylvester comes face to face with his estranged father, a retired colonel, who asks Team Scorpion for help when he believes that a dictator in Africa has uncovered a deadly World War II-era weapon of mass destruction and intends to use it.
  • 8
    /10

    Da Bomb

    episode S2.E15 january 2016
    Team Scorpion is tasked with helping NASA's top secret rocket launch, but they must sabotage their own mission when Walter's date from the previous night has a bomb strapped to her chest.
  • 7.7
    /10

    Fractured

    episode S2.E16 february 2016
    When a powerful earthquake hits LA, Team Scorpion must prevent a pinched gas line from causing a massive explosion.
  • 7.5
    /10

    Adaptation

    episode S2.E17 february 2016
    While Team Scorpion works to stop an influx of drugs being smuggled into the country via drones, Walter gives Happy and Toby an ultimatum on their new relationship. Penn Jillette guest stars.
  • 7.5
    /10

    The Fast & the Nerdiest

    episode S2.E18 february 2016
    After Sylvester scores big on THE PRICE IS RIGHT, Team Scorpion must infiltrate a high-end car smuggling operation about to ship bioweapons to South America
  • 7.9
    /10

    Ticker

    episode S2.E19 march 2016
    When Los Angeles' blood supply is hacked and deemed unusable because of fear it's been tainted, Team Scorpion must find the culprit in order to save a young girl in desperate need of a heart transplant.
  • 7.6
    /10

    Djibouti Call

    episode S2.E20 march 2016
    Scorpion is sent on a secret mission to Djibouti, Africa. Cabe is captured. The Team must save him. While Walter has suspicions about the purpose of the mission and concerns over Paige's interest in new Homeland protégé, Tim Armstrong.
  • 7.5
    /10

    Twist and Shout

    episode S2.E21 march 2016
    Team Scorpion's mission to recover the remains of fallen Marines in Vietnam is threatened along with their lives when a deadly tornado heads directly towards them.
  • 7.8
    /10

    Hard Knox

    episode S2.E22 april 2016
    Team Scorpion is hired by the Department of Defense to break into Fort Knox and "steal" a precious artifact in order to test their security, but they must break in a second time when they find something dangerous hidden inside the object.
  • 7.4
    /10

    Chernobyl Intentions

    episode S2.E23 april 2016
    In Chernobyl, Sylvester and Paige become trapped inside a decaying nuclear reactor that the team is trying to repair before a tragic meltdown.
  • 8.3
    /10

    Toby or Not Toby

    episode S2.E24 april 2016
    The team races against time to stop an unstable ex-member of Scorpion, Mark Collins who kidnaps and threatens to kill Toby if his demands are not met.
  • 7.5
    /10

    Civil War

    episode S3.E1 october 2016
    Team Scorpion must put aside their personal issues when hackers take control of U.S. military aircraft and warships.
  • 7.4
    /10

    More Civil War

    episode S3.E2 october 2016
    Cabe, Tim and Sly are in Bulgaria trying to find a group of hackers, while Paige finds out some upsetting news.
  • 7.9
    /10

    It Isn't the Fall That Kills You

    episode S3.E3 october 2016
    Walter is accidentally launched into space and the team races to bring him home before his oxygen runs out.
  • 8
    /10

    Little Boy Lost

    episode S3.E4 october 2016
    Team Scorpion must find a boy from Ralph's class who goes missing on a field trip after he accidentally has a run-in with a deadly criminal; Toby gets closer to finding out the identity of Happy's husband.
  • 7.7
    /10

    Plight at the Museum

    episode S3.E5 october 2016
    Team Scorpion's simple job at the Los Angeles Natural History Musuem turns deadly when they discover thieves robbing a rare exhibit, needed to enrich a nuclear bomb.
  • 7.3
    /10

    Bat Poop Crazy

    episode S3.E6 october 2016
    Team Scorpion explores a deep cave system in an effort to prevent a bat population from harming the North American ecosystem; the team dons Halloween costumes for Walter's impending immigration inspection.
  • 7.5
    /10

    We're Gonna Need a Bigger Vote

    episode S3.E7 november 2016
    On election day, someone tries to create turmoil in the U.S. presidential election, and Team Scorpion is called to investigate.
  • 7.4
    /10

    Sly and the Family Stone

    episode S3.E8 november 2016
    The one-year memorial of Megan, lead the team to an explosion. Which could wipe out the entire country.
  • 7.3
    /10

    Mother Load

    episode S3.E9 november 2016
    Paige's estranged mother calls on Team Scorpion when she accidentally uncovers a forgotten nuclear reactor on the verge of exploding.
  • 7.4
    /10

    This Is the Pits

    episode S3.E10 december 2016
    Team Scorpion must rescue a woman trapped in the La Brea Tar Pits before she runs out of oxygen.
  • 7.5
    /10

    Wreck the Halls

    episode S3.E11 december 2016
    Team Scorpion's mountain getaway on Christmas Eve turns deadly when they cross paths with gun-runners and Ralph is kidnapped.
  • 7.8
    /10

    Ice Ca-Cabes

    episode S3.E12 january 2017
    The team is forced to freeze Cabe's body when he's hurt by exploding shrapnel during a mission in the desert.
  • 7.5
    /10

    Faux Money Maux Problems

    episode S3.E13 january 2017
    When Team Scorpion is duped into producing counterfeit money for a foreign entity intent on ruining the U.S. economy, Paige must rely on her mother Veronica's skills as a grifter to save them.
  • 7.4
    /10

    The Hole Truth

    episode S3.E14 january 2017
    Team Scorpion must save a man teetering on the edge of a massive sink hole that threatens to destroy the Los Angeles water supply forever.
  • 7.3
    /10

    Sharknerdo

    episode S3.E15 february 2017
    Walter and Paige are surrounded by sharks when their boat explodes in the middle of the Pacific Ocean during a mission to find sunken treasure.
  • 7.5
    /10

    Keep It in Check, Mate

    episode S3.E16 february 2017
    Walter and Sylvester enter an international chess competition under cover on foreign soil for Team Scorpion in order to extricate a U.S. spy before her identity is exposed.
  • 7.6
    /10

    Dirty Seeds, Done Dirt Cheap

    episode S3.E17 february 2017
    When a simple mission to protect a vital seed bank goes awry, Team Scorpion must save Happy, Sylvester and Cabe, who begin suffering from life-threatening, fear-based hallucinations.
  • 8.1
    /10

    Don't Burst My Bubble

    episode S3.E18 february 2017
    Team Scorpion must save a young girl with no immune system who is also a new friend with of Happy's after a storm. Paige and Cabe has to cut people out of their lives.
  • 7.3
    /10

    Monkey See, Monkey Poo

    episode S3.E19 march 2017
    To stop a dangerous virus from spreading, Team Scorpion must locate a rare endangered monkey in the Amazon that has the antibody for the cure. Also, Toby and Happy see a counselor.
  • 7.2
    /10

    Broken Wind

    episode S3.E20 march 2017
    While on a mission to repair a turbine at a wind farm, Team Scorpion must race to save Paige and Happy before the cable holding the gondola they are in snaps and sends them plummeting to the ground.
  • 7.3
    /10

    Rock Block

    episode S3.E21 april 2017
    Team Scorpion retrieves an asteroid with DNA strands that could lead to deadly consequences.
  • 7.4
    /10

    Strife on Mars

    episode S3.E22 april 2017
    Team Scorpion gets trapped inside a failing and dangerous biodome designed for Mars while trying to extract a pair of scientists inside.
  • 8.3
    /10

    Something Burrowed, Something Blew

    episode S3.E23 may 2017
    The team has to help Happy and Toby to get to the altar for the wedding after a simple job went haywire.
  • 7.8
    /10

    Maroon 8

    episode S3.E24 may 2017
    The team's plane crash lands on a remote desert island while en route to Toby and Happy's honeymoon, leaving them all with little hope for rescue.
  • 7.6
    /10

    Scorp Family Robinson

    episode S3.E25 may 2017
    Tensions run high for members of Team Scorpion when they must overcome personal conflicts to be rescued from the desert island they crashlanded on three weeks earlier.
  • 7.1
    /10

    Extinction

    episode S4.E1 september 2017
    Team Scorpion must work with their old nemesis Mark Collins in order to prevent the extinction of mankind.
  • 7.4
    /10

    More Extinction

    episode S4.E2 october 2017
    The team continue to work with their nemesis to prevent an extinction level event. Cabe makes a last minute decision that may endanger his career.
  • 7.3
    /10

    Grow a Deer, A Female Deer

    episode S4.E3 october 2017
    The team tries to save an endangered, pregnant deer that was shot by poachers. Happy and Toby discuss the future of their family.
  • 7.2
    /10

    Nuke Kids on the Block

    episode S4.E4 october 2017
    During the decommissioning of an old nuclear missile, the team is exposed to toxic vapor. Paige doesn't want Happy to tag along with her and Walter.
  • 7.8
    /10

    Sci Hard

    episode S4.E5 october 2017
    Team Scorpion is taken hostage during a tech convention.
  • 7.3
    /10

    Queen Scary

    episode S4.E6 october 2017
    At Halloween, Team Scorpion takes on a case to prove the existence of ghosts on the Queen Mary but find an all-too-real disaster when they locate a "ghost ship" on a deadly collision course. Also, Walter considers taking note of Paige's interests to benefit their relationship.
  • 7.4
    /10

    Go with the Flo(rence)

    episode S4.E7 november 2017
    A device that can prevent a nuclear meltdown is lost in the LA sewers and it is up to team Scorpion to find it while dealing with a new tenant next door.
  • 7.4
    /10

    Faire Is Foul

    episode S4.E8 november 2017
    The team goes to a renaissance festival but the revelry is short-lived when a group tries to rob a police evidence locker. Paige tires of Walter pointing out the anachronisms at the festival.
  • 7.5
    /10

    It's Raining Men (of War)

    episode S4.E9 november 2017
    On Thanksgiving, Team Scorpion is tasked with destroying a floating island of plastic.
  • 7.6
    /10

    Crime Every Mountain

    episode S4.E10 november 2017
    Team Scorpion tries to help a father and daughter involved in a plane crash. The team tries to help Cabe prepare for his trial. Paige helps Walter deal with his feelings about Cabe's possible prison future.
  • 7.9
    /10
    It's time for Cabe's trial and the team are anxious to know the outcome. They channel their nervous energy into saving a dog stuck in a cistern.
  • 7.5
    /10

    A Christmas Car-Roll

    episode S4.E12 december 2017
    Walter takes a fall and is knocked out, his unconscious mind dreams of a world where Team Scorpion never existed.
  • 7.5
    /10

    The Bunker Games

    episode S4.E13 january 2018
    Team Scorpion is locked in a doomsday bunker with artificial intelligence bent on killing them.
  • 7.5
    /10

    Lighthouse of the Rising Sun

    episode S4.E14 january 2018
    A solar storm knocks out power in Los Angeles, and Team Scorpion must help a teen pilot and his girlfriend who are lost over the Pacific without navigation or radio contact. Also, during the crisis, Walter must look after a group of Ralph's classmates, and Cabe tries to tell Allie finally that he loves her.
  • 7.4
    /10

    Wave Goodbye

    episode S4.E15 january 2018
    Team Scorpion must keep a tsunami from destroying a vulnerable nuclear plant. Toby helps his ex-fiancée recover her stolen identity.
  • 7.5
    /10

    Nerd, Wind & Fire

    episode S4.E16 february 2018
    When a helicopter crashes on top of a skyscraper on Valentine's Day, Team Scorpion must set aside their romantic plans and put them on hold to help save a doctor and pilot trapped inside the crashed chopper. Meanwhile, Happy and Toby await the news of their fertility test results and Sylvester realizes that he may have feelings for Florence.
  • 7.5
    /10

    Dumbster Fire

    episode S4.E17 february 2018
    After team Scorpion's mental faculties are impaired during a job to prevent the creation of a black hole, Paige must simplify the science for them. Florence and Sylvester grows closer after she helps him with a special project.
  • 7.6
    /10

    Dork Day Afternoon

    episode S4.E18 march 2018
    Team Scorpion is taken hostage after they inadvertently disrupt a bank heist.
  • 7.2
    /10

    Gator Done

    episode S4.E19 march 2018
    The team heads to the bayou to track down an alligator and stop a mosquito-born outbreak. Paige teaches Walter the concept of a "white lie". Toby must save Cabe's life after he is shot with a tranquilizer by Walter. Sylvester and Ralph help Patty deal with the mean girls in her school.
  • 7.3
    /10

    Foul Balls

    episode S4.E20 march 2018
    The team must use their IQs to win a softball game when challenged by the director of homeland security to a game with all future contracts on the line.
  • 7.3
    /10

    Kenny and the Jet

    episode S4.E21 april 2018
    Team Scorpion must save an unconscious, hypothermic boy stuck in the wheel well of their airborne plane; Paige realizes something's up when Walter's white lie takes a toll on him.
  • 6.4
    /10

    A Lie in the Sand

    episode S4.E22 april 2018
    Team Scorpion heads to Northeast Africa where they must carefully navigate a minefield in order to save the lives of local villagers. Also, Paige and Walter's relationship takes a shocking turn, and Toby and Happy make an important decision.

Best moments10

  • 8
    /10
    83% of the votes

    Dominoes

    episode S1.E12 december 2014
    A 10-year-old boy is trapped in a rockslide/sinkhole near the beach. The team must find a way to rescue him before the rising tide fills it up with water.
  • 7.9
    /10
    82% of the votes

    Ticker

    episode S2.E19 march 2016
    When Los Angeles' blood supply is hacked and deemed unusable because of fear it's been tainted, Team Scorpion must find the culprit in order to save a young girl in desperate need of a heart transplant.
  • 8
    /10
    77% of the votes

    Da Bomb

    episode S2.E15 january 2016
    Team Scorpion is tasked with helping NASA's top secret rocket launch, but they must sabotage their own mission when Walter's date from the previous night has a bomb strapped to her chest.
  • 7.4
    /10
    76% of the votes

    Sly and the Family Stone

    episode S3.E8 november 2016
    The one-year memorial of Megan, lead the team to an explosion. Which could wipe out the entire country.
  • 7.9
    /10
    74% of the votes

    It Isn't the Fall That Kills You

    episode S3.E3 october 2016
    Walter is accidentally launched into space and the team races to bring him home before his oxygen runs out.
  • 7.4
    /10
    73% of the votes

    Pilot

    episode S1.E1 september 2014
    Walter O'Brien and his team of super geniuses are assigned, by the government, to help land airplanes after the communication system shuts down.
  • 7.5
    /10
    73% of the votes

    A Christmas Car-Roll

    episode S4.E12 december 2017
    Walter takes a fall and is knocked out, his unconscious mind dreams of a world where Team Scorpion never existed.
  • 7.3
    /10
    72% of the votes

    Sharknerdo

    episode S3.E15 february 2017
    Walter and Paige are surrounded by sharks when their boat explodes in the middle of the Pacific Ocean during a mission to find sunken treasure.
  • 7.4
    /10
    70% of the votes

    This Is the Pits

    episode S3.E10 december 2016
    Team Scorpion must rescue a woman trapped in the La Brea Tar Pits before she runs out of oxygen.
  • 7.5
    /10
    69% of the votes

    Civil War

    episode S3.E1 october 2016
    Team Scorpion must put aside their personal issues when hackers take control of U.S. military aircraft and warships.

Votes per episode

8.4K
E1
6.1K
E2
5.4K
E3
695
E4
708
E5
2.1K
E6
847
E7
867
E8
4.2K
E9
1.5K
E10
4K
E11
6.3K
E12
501
E13
1.1K
E14
1.4K
E15
410
E16
340
E17
1.2K
E18
494
E19
4K
E20
885
E21
2K
E22
991
E1
574
E2
198
E3
5K
E4
371
E5
616
E6
671
E7
4.4K
E8
1.4K
E9
5.7K
E10
4.8K
E11
2.1K
E12
184
E13
393
E14
6.1K
E15
254
E16
246
E17
196
E18
6.5K
E19
402
E20
1.7K
E21
4.3K
E22
1.3K
E23
3.7K
E24
6K
E1
5K
E2
6.6K
E3
3.5K
E4
4.5K
E5
674
E6
3.8K
E7
6.3K
E8
490
E9
5.7K
E10
4.7K
E11
4.7K
E12
4.9K
E13
4.4K
E14
5.8K
E15
4.1K
E16
3.4K
E17
527
E18
3.7K
E19
412
E20
5.1K
E21
4.5K
E22
5.7K
E23
5K
E24
4.2K
E25
4.5K
E1
3.3K
E2
539
E3
1.3K
E4
758
E5
1.1K
E6
3.4K
E7
3K
E8
812
E9
1K
E10
491
E11
4.7K
E12
931
E13
3.4K
E14
519
E15
3.7K
E16
745
E17
705
E18
2.4K
E19
1.1K
E20
280
E21
1.2K
E22