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The Best Episodes of Shadowhunters Season 3

Every episode of Shadowhunters Season 3 ranked from best to worst. Discover the Best Episodes of Shadowhunters Season 3!

Binge this in 16h 16m•Peaking at 9.0/10

When Clary Fray's mother has disappeared, Clary joins a band of Shadowhunters; demon killing hunters, and gets caught up in a plan to save the world.

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Episode Rankings

  1. #1 Fan Favorite
    Shadowhunters Season 3 Episode 10 - Erchomai
    9.0/10(2509 votes)

    S3:E10

    In the climactic mid-season finale, the team scrambles to find a way to put a stop to Lilith’s plan coming to fruition. But going up against their biggest opponent yet, their odds are not looking good. Meanwhile, Simon makes a heartbreaking choice with Isabelle’s help and Magnus reconnects with a powerful person from his past.

    Director:Unknown
    Writer:Unknown

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  2. Shadowhunters Season 3 Episode 20 - City of Glass
    8.7/10(746 votes)

    S3:E20

    Alec, Jace and Isabelle make a plan to finally get Clary back and stop Jonathan—much to Luke’s and Simon’s chagrin. Meanwhile, an emotionally raw Magnus struggles to deal with his father’s reappearance and Maia must make a tough decision that could affect the rest of her life.

    Director:Unknown
    Writer:Unknown

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  3. Shadowhunters Season 3 Episode 9 - Familia Ante Omnia
    8.5/10(2256 votes)

    S3:E9

    Clary faces down an old foe in an attempt to find answers about Lilith’s plan. Alec and Magnus turn to Lorenzo Rey for help, while Lilith finds a new ally. Luke must choose between his pack and his family, as Simon is forced to deal with his past.

    Director:Unknown
    Writer:Unknown

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  4. Shadowhunters Season 3 Episode 21 - Alliance (1)
    8.5/10(716 votes)

    S3:E21

    Clary comes up with a plan that will bring Shadowhunters and Downworlders together, as Alec struggles for a way to help Magnus.

    Director:Unknown
    Writer:Unknown

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  5. Shadowhunters Season 3 Episode 22 - All Good Things... (2)
    8.5/10(993 votes)

    S3:E22

    Jonathan begins his reign of vengeful terror as the Shadowhunters try to find a way to stop him. With only one hope, Clary must make a sacrifice that could have long-lasting implications for all. Meanwhile, wedding bells are in the air for one special couple.

    Director:Unknown
    Writer:Unknown

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  6. Shadowhunters Season 3 Episode 2 - The Powers That Be
    8.4/10(2318 votes)

    S3:E2

    The Warlocks’ magic is becoming corrupted by a demonic presence while Izzy and Luke try to track down more information on the recent series of possessions.

    Director:Unknown
    Writer:Unknown

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  7. Shadowhunters Season 3 Episode 7 - Salt In the Wound
    8.3/10(2163 votes)

    S3:E7

    With the Owl's identity revealed, Alec, Isabelle, and Clary head to Alicante to try and find a way to stop him. Luke and Simon team up to track Lilith's latest possible victim. Maia reflects on her past.

    Director:Unknown
    Writer:Unknown

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  8. Shadowhunters Season 3 Episode 8 - A Heart of Darkness
    8.3/10(2187 votes)

    S3:E8

    Magnus, Alec and Isabelle try to reach Jace inside The Owl, but even as powerful as Magnus is, can he help the Lightwoods retrieve their brother from his demon prison? Maia and Jordan join Simon on the hunt for Lilith, while Luke tries to find a way to get to Clary.

    Director:Unknown
    Writer:Unknown

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  9. Shadowhunters Season 3 Episode 1 - On Infernal Ground
    8.2/10(2358 votes)

    S3:E1

    Secrets abound as the Shadowhunters and Downworlders try to get back to normal after Valentine's death. Clary struggles with keeping her secret about Raziel's wish, while Alec pushes Jace to come clean about whatever Jace and Clary are hiding. Luke must use tough love to keep his secret hidden from Ollie who is on a war path for answers. And Magnus hides his true feelings about his new position in the Warlock community from Alec. Meanwhile, Lilith sets a plan in motion in New York City as Simon spend stime in the Seelie Court.

    Director:Matthew Hastings
    Writer:Unknown

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  10. Shadowhunters Season 3 Episode 3 - What Lies Beneath
    8.2/10(2234 votes)

    S3:E3

    The Shadowhunters try to track down the new imposing threat, while Jace has a suspicion that Jonathan is back and behind the mundane attacks. Simon tries to figure out what The Seelie Queen did to him during his time in the glade. Alec decides to host a Lightwood family dinner at Magnus’ house after a surprising visit from Maryse.

    Director:Unknown
    Writer:Unknown

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  11. Shadowhunters Season 3 Episode 5 - Stronger Than Heaven
    8.2/10(2185 votes)

    S3:E5

    Someone is out to get Simon and Jace is on the hunt to find out who it is, meanwhile Clary turns to Luke to find a way to help Jace. Alec worries about the future of his relationship after learning more about Magnus’ romantic past.

    Director:Unknown
    Writer:Unknown

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  12. Shadowhunters Season 3 Episode 16 - Stay With Me
    8.2/10(733 votes)

    S3:E16

    Clary and Jace come up with a risky plan to get rid of her twinning rune, which may bring an old enemy back into the fray. Meanwhile, Alec is worried about Magnus.

    Director:Unknown
    Writer:Unknown

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  13. Shadowhunters Season 3 Episode 17 - Heavenly Fire
    8.2/10(709 votes)

    S3:E17

    Simon and Izzy team up on a secret mission to figure out what the Clave is hiding. Meanwhile, Clary is conflicted about Jonathan as the Shadowhunters try to get answers.

    Director:Unknown
    Writer:Unknown

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  14. Shadowhunters Season 3 Episode 4 - Thy Soul Instructed
    8.1/10(2188 votes)

    S3:E4

    Jace’s concerns grow about his mental state and turns to Luke for information on his family’s past. Clary and Izzy go after a rogue vampire and Simon hunts for a new apartment.

    Director:Unknown
    Writer:Unknown

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  15. Shadowhunters Season 3 Episode 6 - A Window into an Empty Room
    8.1/10(2178 votes)

    S3:E6

    Clary teams up with Magnus to investigate a recent demon attack. Simon is stunned with he’s visited by someone he never thought he’d see again, and who now won’t seem to leave. Meanwhile, Izzy worries about dinner with her family and a special guest and Luke reaches out to Maryse.

    Director:Unknown
    Writer:Unknown

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  16. Shadowhunters Season 3 Episode 12 - Original Sin
    8.1/10(832 votes)

    S3:E12

    Simon is determined to get rid of the Mark of Cain and, with Isabelle’s help, tries to track down New York’s oldest vampire to get more information on the mark. Now in Paris, Clary desperately tries to find an escape from her current situation. Meanwhile, with his new sense of mortality, Magnus tries to live life to the very fullest.

    Director:Unknown
    Writer:Unknown

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  17. Shadowhunters Season 3 Episode 19 - Aku Cinta Kamu
    8.1/10(700 votes)

    S3:E19

    To try and save Clary from Jonathan, Jace goes undercover. Back at the Institute, Isabelle, Simon and Luke race to find a way to finally destroy Clary’s bond with Jonathan. With time running out, can Isabelle create the solution before Jace’s cover is blown?

    Director:Unknown
    Writer:Unknown

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  18. Shadowhunters Season 3 Episode 11 - Lost Souls
    8.0/10(937 votes)

    S3:E11

    With the loss of Clary after Lilith’s apartment exploded, Alec, Isabelle and Jace try to come to terms with what has happened. Glad to have their brother back, Alec and Isabelle are still worried about Jace, who is taking the actions of The Owl very hard. Magnus is also mourning the loss of his magic and finds himself in a new position—having to rely on others for help. Meanwhile, Maia tries to help a devastated Simon who has lost his family and his best friend. But unknown to everyone, Clary is alive and finds herself in a new and dangerous predicament.

    Director:Unknown
    Writer:Unknown

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  19. Shadowhunters Season 3 Episode 18 - The Beast Within
    8.0/10(699 votes)

    S3:E18

    A demon outbreak in New York City on Halloween becomes a top priority at the Institute, but as the Shadowhunters hunt the demons, Jace becomes more worried about Clary. Meanwhile, Alec has to juggle the outbreak with his deep concern about Magnus’ depression.

    Director:Unknown
    Writer:Unknown

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  20. Shadowhunters Season 3 Episode 15 - To the Night Children
    7.9/10(730 votes)

    S3:E15

    As the saying goes, “rules are made to be broken.” But what if the rules are there for a reason? Several members of the team must examine the reasoning behind certain rules after consequences to questionable actions come to light. Whether the rules were broken because of love, loyalty or revenge, does the end justify the means?

    Director:Unknown
    Writer:Unknown

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  21. Shadowhunters Season 3 Episode 14 - A Kiss from a Rose
    7.8/10(732 votes)

    S3:E14

    Continuing to track down information on the rumors about misconduct at The Clave’s downworlder prison, Isabelle asks Alec for help. Meanwhile, Magnus succumbs to asking Lorenzo for a favor and Jace takes Clary on a special date.

    Director:Unknown
    Writer:Unknown

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  22. Shadowhunters Season 3 Episode 13 - Beati Bellicosi
    7.7/10(776 votes)

    S3:E13

    Jordan and the Praetor try to track down Heidi, while the Shadowhunters try to locate Jonathan. Meanwhile, Luke looks to Maryse for help and Isabelle gets a possible lead on information on what is really going on in the Clave prisons.

    Director:Unknown
    Writer:Unknown

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Season 3 Ratings Summary

"Erchomai" is the best rated episode of "Shadowhunters" season 3. It scored 9/10 based on 2509 votes. Directed by Unknown and written by Unknown, it aired on 5/15/2018. This episode is rated 0.3 points higher than the second-best, "City of Glass".