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The Best Episodes of Scorpion Season 4

Every episode of Scorpion Season 4 ranked from best to worst. Discover the Best Episodes of Scorpion Season 4!

Binge this in 16h 5m•Peaking at 7.9/10

Eccentric genius Walter O’Brien and his team of brilliant misfits comprise the last line of defense against complex, high-tech threats of the modern age. As Homeland Security’s new think tank, O’Brien’s “Scorpion” team includes Toby

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Episode Rankings

  1. #1 Fan Favorite
    Scorpion Season 4 Episode 11 - Who Let the Dog Out ('Cause Now It's Stuck in a Cistern)
    7.9/10(446 votes)

    S4:E11

    As Team Scorpion anxiously awaits the verdict of Cabe’s trial which could send him to prison, they focus their nervous energy on trying to save a dog stuck in a cistern.

    Director:Omar Madha
    Writers:David Foster, Nick Santora

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  2. Scorpion Season 4 Episode 5 - Sci Hard
    7.8/10(441 votes)

    S4:E5

    While attending a tech convention, Team Scorpion is taken hostage by a group attempting a virtual heist.

    Director:Dwight H. Little
    Writers:Nick Santora, Rob Pearlstein

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  3. Scorpion Season 4 Episode 10 - Crime Every Mountain
    7.6/10(420 votes)

    S4:E10

    As Cabe’s trial looms over Team Scorpion, a simple case goes sideways when they help a father and his daughter whose plane crashes nearby. Also, Paige helps Walter navigate his feelings about Cabe’s possible future in prison.

    Director:Sam Hill
    Writers:Nick Santora, Aadrita Mukerji

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  4. Scorpion Season 4 Episode 12 - A Christmas Car-Roll
    7.6/10(451 votes)

    S4:E12

    On Christmas Eve, when Walter chooses work over spending quality time with his friends, he falls down the stairs and hits his head, and as he lays unconscious, he enters a dream world where Team Scorpion never existed.

    Director:LeVar Burton
    Writers:Nicholas Wootton, Paul Grellong

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  5. Scorpion Season 4 Episode 18 - Dork Day Afternoon
    7.6/10(396 votes)

    S4:E18

    Team Scorpion inadvertently crashes a bank robbery in progress and is taken hostage. Also, Sylvester’s feelings for Florence grow.

    Director:Steven A. Adelson
    Writer:Paul Grellong

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  6. Scorpion Season 4 Episode 9 - It's Raining Men (Of War)
    7.5/10(442 votes)

    S4:E9

    On Thanksgiving, Team Scorpion's new neighbor, Florence, joins them at sea on a mission to destroy a floating island of trash, but her flawed contribution leaves her, Walter and Happy stranded on the quickly dissolving island. Also, Toby works with Cabe to uncover the details of his father's death that he has suppressed since he was a boy.

    Director:Antonio Negret
    Writers:Nicholas Wootton, Kim Rome

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  7. Scorpion Season 4 Episode 13 - The Bunker Games
    7.5/10(421 votes)

    S4:E13

    Team Scorpion must work with Toby’s nemesis, Quincy Berkstead, and his wife, Amy, Toby’s ex-fiancée, when they are locked inside an artificially intelligent doomsday bunker that aims to kill them. Also, Walter is distracted by his recent dream where he is married to Florence, not Paige.

    Director:Milan Cheylov
    Writer:Rob Pearlstein

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  8. Scorpion Season 4 Episode 14 - Lighthouse of the Rising Sun
    7.5/10(413 votes)

    S4:E14

    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.

    Director:Sam Hill
    Writer:Adam Higgs

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  9. Scorpion Season 4 Episode 16 - Nerd, Wind and Fire
    7.5/10(392 votes)

    S4:E16

    On Valentine's Day, Team Scorpion must set aside their romantic plans to help a doctor and pilot trapped inside a helicopter that crashed atop a skyscraper. Also, Toby and Happy wait for news on their fertility results, and Sylvester realizes that he may have feelings for Florence.

    Director:Bethany Rooney
    Writer:Scott Sullivan

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  10. Scorpion Season 4 Episode 17 - Dumbster Fire
    7.5/10(393 votes)

    S4:E17

    The geniuses of Team Scorpion turn into knuckleheads and Paige must simplify the science for them, when their mental faculties are impaired during a job to prevent the creation of a black hole. Also, Florence and Sylvester grow closer when she helps him with a special project.

    Director:Sanford Bookstaver
    Writer:Aadrita Mukerji

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  11. Scorpion Season 4 Episode 2 - More Extinction
    7.4/10(471 votes)

    S4:E2

    Team Scorpion continues to work with their nemesis, Mark Collins, in order to prevent an extinction event that could end humanity. Also, Cabe’s last-minute decision while on the case leads to the possible end of his career.

    Director:Sam Hill
    Writers:Nick Santora, Nicholas Wootton

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  12. Scorpion Season 4 Episode 3 - Grow a Deer, A Female Deer
    7.4/10(459 votes)

    S4:E3

    When poachers almost kill a pregnant endangered deer, Team Scorpion recreates the animal’s womb to try to save it and its baby’s life. Also, Happy and Toby discuss the future of their family.

    Director:Milan Cheylov
    Writers:David Foster, Nick Santora

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  13. Scorpion Season 4 Episode 7 - Go with the Flo(rence)
    7.4/10(440 votes)

    S4:E7

    While tracking a device that can prevent a nuclear meltdown through the Los Angeles sewers, Walter learns the nuances of listening and not offering advice to Paige. Also, Team Scorpion meets Florence, their new neighbor at the garage, after she sends a mix of smelly chemicals through their shared ventilation as a warning to keep the noise down.

    Director:Sam Hill
    Writers:Nick Santora, Kevin J. Hynes

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  14. Scorpion Season 4 Episode 8 - Faire Is Foul
    7.4/10(428 votes)

    S4:E8

    For Sylvester’s birthday, Team Scorpion visits a renaissance festival, but the revelry is cut short when a group tries to rob a nearby police evidence locker. Also, Paige grows weary of Walter’s play-by-play of all the historical inaccuracies at the festival

    Director:Sanford Bookstaver
    Writer:Scott Sullivan

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  15. Scorpion Season 4 Episode 15 - Wave Goodbye
    7.4/10(396 votes)

    S4:E15

    Team Scorpion must prevent an incoming tsunami from hitting a vulnerable nuclear power facility, and Toby secretly helps his ex-fiancée retrieve her stolen identity.

    Director:Jeff T. Thomas
    Writer:Kevin J. Hynes

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  16. Scorpion Season 4 Episode 4 - Nuke Kids on the Block
    7.3/10(436 votes)

    S4:E4

    While decommissioning an old nuclear missile, a simple accident causes Team Scorpion to endure exposure to toxic vapor while trying to prevent the nuke from detonating. Also, Paige confronts Happy about constantly tagging along with her and Walter.

    Director:Elodie Keene
    Writers:Nicholas Wootton, Paul Grellong

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  17. Scorpion Season 4 Episode 6 - Queen Scary
    7.3/10(423 votes)

    S4:E6

    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.

    Director:Omar Madha
    Writers:Nicholas Wootton, Adam Higgs

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  18. Scorpion Season 4 Episode 20 - Foul Balls
    7.3/10(422 votes)

    S4:E20

    Team Scorpion must use their high IQs to win a softball game when the homeland director challenges, with all of their future government contracts on the line. Also, Walter’s secret night out with Florence puts Toby and Happy on edge.

    Director:Nick Santora
    Writer:Kim Rome

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  19. Scorpion Season 4 Episode 21 - Kenny and the Jet
    7.3/10(365 votes)

    S4:E21

    Paige’s maternal side goes into high gear when Team Scorpion must save an unconscious, hypothermic boy stuck in the wheel well of their airborne airplane. Also, Walter’s white lie to Paige starts to take a toll on him, and Paige realizes something’s up.

    Director:Jeff T. Thomas
    Writers:Rob Pearlstein, Adam Higgs

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  20. Scorpion Season 4 Episode 1 - Extinction
    7.2/10(546 votes)

    S4:E1

    Team Scorpion must work with their old nemesis Mark Collins in order to prevent the extinction of mankind. Also, Walter and Paige awkwardly navigate their new relationship.

    Director:Sam Hill
    Writers:Nick Santora, Nicholas Wootton

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  21. Scorpion Season 4 Episode 19 - Gator Done
    7.2/10(388 votes)

    S4:E19

    Team Scorpion heads to the bayou to track down a cagey alligator in order to stop a deadly mosquito-borne virus, and Paige teaches Walter the concept of the “white lie.” Also, Walter hits Cabe with a tranquilizer gun and Toby must save his life, and Sylvester and Ralph help Patty when the mean girls at her school force her to get a dreaded tardy slip.

    Director:Omar Madha
    Writer:Kim Rome

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  22. Scorpion Season 4 Episode 22 - A Lie in the Sand
    6.2/10(684 votes)

    S4:E22

    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.

    Director:Sam Hill
    Writers:Paul Grellong, Scott Sullivan

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Season 4 Ratings Summary

"Who Let the Dog Out ('Cause Now It's Stuck in a Cistern)" is the best rated episode of "Scorpion" season 4. It scored 7.9/10 based on 446 votes. Directed by Omar Madha and written by David Foster, Nick Santora, it aired on 12/11/2017. This episode is rated 0.1 points higher than the second-best, "Sci Hard".