Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
Shadowhunters Season 3 Episodes
Season 3 Episode Guide
22 Episodes 2018 - 2019
Episode 1
On Infernal Ground
Tue, Mar 20, 201842 mins
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.
Episode 2
The Powers That Be
Tue, Mar 27, 201842 mins
With the institute under siege by a greater demon, tensions between shadowhunters and warlocks are higher than ever as Alec tries to remain in control of the situation.
Episode 3
What Lies Beneath
Tue, Apr 3, 201841 mins
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.
Episode 4
Thy Soul Instructed
Tue, Apr 10, 201841 mins
Alec doubles his efforts to find the Owl. Jace begins to fear his hallucinations may hold roots in his past and turns to Luke for guidance.
Episode 5
Stronger Than Heaven
Tue, Apr 17, 201841 mins
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.
Episode 6
A Window into an Empty Room
Tue, Apr 24, 201841 mins
Clary teams up with Magnus to investigate a recent demon attack. Simon is stunned when 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.
Episode 7
Salt in the Wound
Tue, May 1, 201842 mins
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.
Episode 8
A Heart of Darkness
Tue, May 8, 201842 mins
Clary awaits judgment while imprisoned by the Clave. Magnus, Alec and Isabelle try to save Jace. Simon learns more about the queen of Edom.
Episode 9
Familia Ante Omnia
Tue, May 15, 201842 mins
Clary offers the Clave something it wants in return for sparing her life, with disastrous results. Simon's past returns to haunt him and his family.
Episode 10
Erchomai
Tue, May 15, 201843 mins
Simon makes a heartbreaking choice to protect his family. Magnus asks his father for help. The Shadowhunters prepare for a showdown with Lilith.
Episode 11
Lost Souls
Mon, Feb 25, 201942 mins
Jace is free of Lilith's control, but the aftermath of the battle has everyone reeling. Simon is determined to rid himself of the Mark of Cain once and for all while Clary tries to escape an unfamiliar captor.
Episode 12
Original Sin
Mon, Mar 4, 201941 mins
Simon tried to track down New York's oldest vampire to get more information on the Mark of Cain; now in Paris, Clary desperately attempts to find an escape from her current situation; Magnus tries to live life to the very fullest.
Episode 13
Beati Bellicosi
Mon, Mar 11, 201941 mins
Jordan and the Praetor try to track down Heidi, while Shadowhunters attempt to locate Jonathan; Luke looks to Maryse for help; Isabelle gets a possible lead on information on what is really going on in the Clave prisons.
Episode 14
A Kiss from a Rose
Mon, Mar 18, 201942 mins
The Jade Wolf pack is devastated after Heidi's attack, leaving Jordan and Maia in a corner. Jace encourages Clary to take a break from hunting Jonathan, not realizing that Jonathan has returned to New York. Magnus goes to Lorenzo for a favor.
Episode 15
To the Night Children
Mon, Mar 25, 201941 mins
As news of the vampires' attack on the Jade Wolf spreads, the Shadowhunters spring into action to stop the culprit. When Heidi concocts a plea deal, Maia considers taking justice into her own hands.
Episode 16
Stay with Me
Mon, Apr 1, 201942 mins
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; Alec worries about Magnus.
Episode 17
Heavenly Fire
Mon, Apr 8, 201941 mins
Simon and Izzy team up on a secret mission to figure out what the Clave is hiding; Clary becomes conflicted about Jonathan as the Shadowhunters try to get answers.
Episode 18
The Beast Within
Mon, Apr 15, 201941 mins
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
Episode 19
Aku Cinta Kamu
Mon, Apr 22, 201941 mins
In order to win Clary back from the darkness that's overtaken her, Jace joins Clary and Jonathan on their quest for the Morning Star sword. Izzy, Luke, and Simon try to remake the sword Glorious. Magnus is surprised to see his father in New York.
Episode 20
City of Glass
Mon, Apr 29, 201941 mins
Alec, Jace and Isabelle make a plan to finally get Clary back and stop Jonathan, much to Luke's and Simon's chagrin; Magnus struggles to deal with his father's reappearance; Maia must make a tough decision that could affect the rest of her life.
Episode 21
Alliance
Mon, May 6, 201942 mins
As Jonathan grows in power with a new ally by his side, the Shadowhunters and Downworlders must combine their powers, venture to Edom and stop their foes before they destroy the Shadow World. Wedding bells are in the air for one special couple.
Episode 22
All Good Things...
Mon, May 6, 201960 mins
With his new power, Jonathan wreaks havoc on the Shadow world, targeting institutes around the globe, and Clary must make a great sacrifice in order to hopefully stop him for good. Meanwhile, wedding bells are in the air for one special couple.
