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An Evil Within is the second episode of Season 4 and the fortieth episode of Warehouse 13 that aired on July 30, 2012 on Syfy.


Pete and Myka travel to Philadelphia to investigate an artifact that is causing people to see bizarre monsters while Artie attempts to stop Claudia from resurrecting Steve.


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In Philadelphia, two students from the local engineering college go to a diner. A man wearing a baseball hat walks through the diner, goes out the back door, and chains it shut behind him. Inside, the two students, the cook, and the waitress look up in horror as a tentacled creature comes in the front door. The four frightened people try to run out the back but discover the door is locked. They turn on the creature and attack it with whatever weapons they can find. The police come in seconds later and stop them, and they realize that the creature was actually Joe, another engineering student.

Artie goes through Claudia's room looking for clues, and remembers how Brother Adrian warned him that using the astrolabe would create an evil that would be with him forever. Leena comes to get him to meet with the others and they wonder what they're going to do to find Claudia. Artie tells them that they aren't going to find Claudia. Instead, Pete and Myka will be going to Philadelphia to investigate the attack after showing them that he received an artifact ping on Claudia's new pocket device. As they leave, Brother Adrian appears at the B&B's patio door and Artie invites him in.

Adrian is surprised that Artie seems to know him but introduces himself and explains that he's there on behalf of the Vatican to obtain Artie's help to recover the missing Astrolabe. It has vanished, meaning that someone used it to erase 24 hours. The only way to stop it from unleashing a great evil is to have the original user employ the astrolabe a second time and undo what was undone the first time. Artie suggests that whoever used it was justified in stopping some great cataclysm, but Brother Adrian insists that the price is too great, gives Artie his card to call him, and leaves.

Claudia follows a Regents' agent to the hospital where Steve Jinks's corpse is being kept. As she watches from her car, she checks on the metronome on the seat next to her.

In Philadelphia, Pete and Myka talk to the diner people, who don't remember seeing anything that could be an artifact lying around. Pete obtains a sketch of the creature from the witness descriptions and Myka admits that she doesn't like creatures with tentacles. They figure that the artifact was something that wasn't there when the cops arrived since they weren't affected, and the agents close down the diner to conduct a search.

At a dental office elsewhere in the city, an accountant comes in to get his teeth checked. The staff and patients see him as a tentacled creature and knock him back out the window where he falls to his death. The man with the baseball cap is among those who gather on the sidewalk to see the accident.

Claudia, dressed as an executive enters the hospital and manages to bluff her way past the front desk guard. She then switches to a nurse's uniform and goes to the morgue, and another guard demands to see her badge. The badge is rigged with a tesla charge, stunning the man, but the desk guard comes in to check on her. Claudia prepares to use her Tesla on him but Artie arrives just in time and hauls her out.

Pete and Myka get word of the new incident and check the dental office, but fail to find a connection between the diner and the dentist's office. Myka calls Leena and has her check police scanners to see if they can find reports of any similar incidents.

Claudia insists on bringing Steve back to life, even though Artie warns that they can't use artifacts for their own selfish needs. He asks her if Steve would want her to risk everything to bring him back and Claudia asks her mentor if he would use an artifact to rectify a mistake. Jane Lattimer arrives and Artie tries to cover for Claudia, but Jane says that Claudia has permission to use the metronome to bring Steve back. Artie warns against it but can't explain why without revealing his use of the astrolabe. As Artie leaves, Jane tells Claudia that her life is on the line and asks her if she's sure. When Claudia says that she is, Jane says that they have to make arrangements to bring Steve back.

In Philadelphia, a woman named Robin is returning home from shopping when the man with the baseball hat approaches her and offers her an old-fashioned silver key, claiming she dropped it. Robin says that it isn't hers and the man leaves with the key. However, when Robin goes inside, her husband Jimmy sees her as a tentacled creature and panics. Leena hears about the incident on the scanner and calls in Pete and Myka. When they arrive, they talk to Jimmy, who explains that he locked the creature in a closet. Pete opens the door and Jimmy is the only one to see Robin as a creature. He attacks her and the agents restrain him.

Jane takes Claudia to the B&B where Steve's corpse is being kept in Claudia's room. When Claudia wonders if Steve will come back changed, Jane assures her that he'll be fine and they begin. Claudia places one hand on the metronome and one hand on Steve's chest, and Jane tells her to focus so she can bring Steve back.

Artie arranges to meet with Adrian at the local diner and claims he needs more information about the evil the astrolabe can cause so he can find it. Brother Adrian explains that the evil is unique to each user, and will cut through the user's heart like a dagger. Artie is reminded of his vision where Claudia kills him with a dagger.

Steve draws a breath, startling Claudia and causing her to take her hand off the metronome. Jane tells her to put her hand back on the metronome, breathe, and focus on saving Steve or she'll die as well.

Artie asks if the evil Adrian describes could be triggered by a resurrection and the brother admits that it's within the realm of possibilities.

Claudia finds herself in a white void with Steve, who is facing off into the distance. Jane tells Claudia to concentrate and get Steve to come to her, but Steve can't seem to hear Claudia. He finally turns to face her and comes to life as Claudia hugs him.

Brother Adrian tells Artie that knowing the evil won't help recover the artifact, but finally explains that Robespierre used the astrolabe. Doing so unleashed the French Revolution and the Reign of Terror. Adrian insists that the only way to stop the evil is to reverse the original temporal alteration.

In Philadelphia, the police arrive and the agents tell them that Jimmy was hallucinating due to bad mushrooms. They talk to Robin, who describes the man with the baseball cap and the silver key. Hearing this, Pete goes over the sketches of the creatures taken from the eyewitness descriptions and realizes that they look like the monsters created by writer H.P. Lovecraft for his Cthulhu mythos. The agents call Leena, who confirms that Lovecraft suffered from night terrors which he blamed on a key he called "The Key to the Gate of Dreams." Pete and Myka realize that the source of the hallucinations is the victim, not the witnesses, and they go to the apartment of the engineering student, Joe. Pete discovers that Joe went to a recent Philadelphia vs. Cincinnati championship game where a riot broke out, and Myka remembers the name of Theresa Hicks, the one person who died there.

At the B&B, Claudia avoids telling Steve about his death but assures him that he was a hero, finishing off Sykes and Marcus Diamond. Steve begins to grow suspicious and uses his ability to tell that Claudia is lying to him. He hears the metronome ticking from inside its case and runs off when he realizes that Claudia resurrected him.

Pete and Myka got to the stadium and review the security footage of the riot. They spot all three victims and discover that they all ignored Theresa, letting her be trampled to death. Theresa's fiancé, Ron Hadsell, was there but couldn't save her, and they realize that Ron is the man with the baseball cap. The agents figure that Ron decided that his three victims were all monsters, found Lovecraft's key, and made them appear as monsters. When they go over the footage again, Pete and Myka spot a driver who parked his car in front of the ambulance that was taking Theresa to the hospital. Pete goes to help the driver, Jeff Green, while Myka tries to find Ron at his apartment.

Claudia finds Steve out on the B&B's patio and he wonders how long he was dead. She sheepishly admits that it was for three days and refuses to apologize for bringing him back, and insists that she'd do it again if she has to. Steve warns her that he doesn't know if he feels or what he feels, and that it'll take some time to get used to his new circumstances.

Myka breaks into Ron's apartment and finds photos of him and Theresa. He also has a workshop where he makes models of Lovecraft's monsters. Meanwhile, Pete arrives at the driver's house but no one answers the door. Myka calls Pete and tells him that Ron is the guy they're after, just as Ron arrives at Jeff's house. He sees Pete and runs into a nearby fitness center, and Pete goes in after him. Ron uses the key on him and, when Pete says that he's there to help, says there's nothing they can do if they can't bring Theresa back. The people in the fitness center see Pete as a monster as Ron calls them over, and Pete tries to call Myka but she can only hear a roar.

Following the commotion, Myka enters the fitness center and holds off the patrons even though she's having trouble coping with Pete's new appearance. When she realizes that Ron is responsible, she gives her Tesla to Pete and chases after Ron. She captures him and neutralizes the key just in time as the patrons disarm Pete and move in for the kill.

Later, the police arrive to arrest Ron. He insists that he tried to go to the police to get justice for Theresa, but they said it was an accident. When Pete wonders why he didn't just shoot his four targets, Ron admits that he couldn't bring himself to use a gun. He'd heard rumors of the key at horror conventions, found it, and used it to show their victims what they truly were: monsters. As the police take Ron away, Pete has no sympathy for him but Myka admits that she can understand how grief can drive people to do things they know are wrong. When Claudia returns to the warehouse, she finds Adwin Kosan and Jane waiting for her. She realizes that Jane disobeyed orders to bring Steve back, and Jane insists that they owed Steve since he died in their service. Adwin warns that there are consequences and that Steve is linked to the Warehouse, and by extension the Regents, as long as he's dependent on the metronome. The Regents have no choice but to keep Steve under lifetime supervision, and eliminate him if they discover the metronome has a downside.

Back at the B&B, the others are reunited with Steve. Claudia arrives and Artie, knowing that Adwin is there, realizes what happened. She wonders if the two of them are okay given her earlier actions and Artie assures her that they're fine. As Claudia goes over to Steve, Artie gets a ping and discovers that someone has reported a dagger: the same dagger he saw Claudia use to kill him in his dreams. Pete notices Artie's look of shock and Artie assures him that he's okay, but Pete isn't convinced.[1]


Main Cast

Special Guest Star

Guest Starring



  • Seann Gallagher as Ron Hadsell
  • Lindsay Leese as Waitress
  • Darryle Pring as Trucker
  • Kit Weyman as Grad Student #1
  • Nathan Stephenson as Grad Student #2
  • Aaron Williams as Grad Student #3
  • Lamont James as Police Officer
  • Sal Figliomeni as Accountant
  • Lori Nancy Kalamanski as Mother
  • Julianna Paul as Daughter
  • Nicholas Bacon as Gary the Businessman
  • Maureen Cassidy as Linda the Dental Hygenist
  • Adam David as Dentist
  • Aurora Browne as Robin
  • Jon De Leon as Jimmy
  • Bernadette Couture as Theresa Hicks
  • Dale Samms as Venue Manager
  • Helena-Alexis Seymour as Female Bodybuilder
  • Gerry Morton as Basketball Player
  • Christopher Lee Clements as Security Guard Mike Johnson
  • Joel Lacoursiere as Security Guard #2
  • Chris Lightfoot as Jeff Green
  • Clyde Phillips Sr. as Trucker's Pal


  • Andrey Ivchenko as Ivan

Artifacts and Gadgets Featured


  • According to Claudia, Steve has been dead 4,320 minutes (three days).
  • According to the shelving tag for Lovecraft's Key, this episode takes place May 30th, 2012.[2]


Warehouse 13  :  Season 4
#01 "A New Hope" #06 "Fractures" #11 "The Living and the Dead" #16 "Runaway"
#02 "An Evil Within" #07 "Endless Wonder" #12 "Parks and Rehabilitation" #17 "What Matters Most"
#03 "Personal Effects" #08 "Second Chance" #13 "The Big Snag" #18 "Lost & Found"
#04 "There's Always a Downside" #09 "The Ones You Love" #14 "The Sky's the Limit" #19 "All the Time in the World"
#05 "No Pain, No Gain" #10 "We All Fall Down" #15 "Instinct" #20 "The Truth Hurts"