Scorpion/Season Four

Season Four
Scorpion
Season Premiere	September 25, 2017
Season Finale	April 16, 2018
Episode Count	22
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Season Four of Scorpion premiered on September 25, 2017.

Episodes

#	#	Title	Written By	Directed By	Airdate	Viewers	18-49 Rating	Prod.
72	1	Extinction (1)	Nick Santora & Nicholas Wootton	Sam Hill	September 25, 2017	5.754M	1%	401
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.
73	2	More Extinction (2)	Nick Santora & Nicholas Wootton	Sam Hill	October 2, 2017	5.273M	0.8%	402
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.
74	3	Grow a Deer, a Female Deer	David Foster & Nick Santora	Milan Cheylov	October 9, 2017	4.819M	0.8%	403
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.
75	4	Nuke Kids on the Block	Paul Grellong & Nicholas Wootton	Elodie Keene	October 16, 2017	4.835M	0.8%	404
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.
76	5	Sci Hard	Rob Pearlstein & Nick Santora	Dwight Little	October 23, 2017	5.15M	0.8%	405
While attending a tech convention, Team Scorpion is taken hostage by a group attempting a virtual heist.
77	6	Queen Scary	Adam Higgs & Nicholas Wootton	Omar Madha	October 30, 2017	4.926M	0.7%	406
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.
78	7	Go With the Flo(rence)	Kevin J. Hynes & Nick Santora	Sam Hill	November 6, 2017	5.179M	0.8%	407
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.
79	8	Faire Is Foul	Scott Sullivan	Sanford Bookstaver	November 13, 2017	4.744M	0.8%	408
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.
80	9	It's Raining Men (of War)	Kim Rome & Nicholas Wootton	Antonio Negret	November 20, 2017	5.128M	0.9%	409
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.
81	10	Crime Every Mountain	Aadrita Mukerji & Nick Santora	Sam Hill	November 27, 2017	5.503M	0.9%	410
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.
82	11	Who Let the Dog Out ('Cause Now It's Stuck in a Cistern)	David Foster & Nick Santora	Omar Madha	December 11, 2017	5.921M	0.9%	411
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.
83	12	A Christmas Car-Roll	Paul Grellong & Nicholas Wootton	LeVar Burton	December 18, 2017	5.35M	0.8%	412
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.
84	13	The Bunker Games	Rob Pearlstein	Milan Cheylov	January 15, 2018	5.624M	0.9%	413
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.
85	14	Lighthouse of the Rising Sun	Adam Higgs	Sam Hill	January 22, 2018	5.232M	0.8%	414
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.
86	15	Wave Goodbye	Kevin J. Hynes	Jeff T. Thomas	January 29, 2018	5.817M	0.9%	415
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.
87	16	Nerd, Wind and Fire	Scott Sullivan	Bethany Rooney	February 5, 2018	5.552M	0.8%	416
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.
88	17	Dumbster Fire	Aadrita Mukerji	Sanford Bookstaver	February 26, 2018	5.058M	0.8%	417
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.
89	18	Dork Day Afternoon	Paul Grellong	Steven A. Adelson	March 5, 2018	5.511M	0.8%	418
Team Scorpion inadvertently crashes a bank robbery in progress and is taken hostage. Also, Sylvester's feelings for Florence grow.
90	19	Gator Done	Kim Rome	Omar Madha	March 19, 2018	4.82M	0.8%	419
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.
91	20	Foul Balls	David Foster & Nick Santora	Nick Santora	March 26, 2018	4.904M	0.8%	420
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.
92	21	Kenny and the Jet	Adams Higgs & Rob Pearlstein	Jeff T. Thomas	April 9, 2018	5.435M	0.7%	421
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.
93	22	A Lie in the Sand	Paul Grellong & Scott Sullivan	Sam Hill	April 16, 2018	5.223M	0.7%	422
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.