Season Guide
Shadowhunters: The Mortal Instruments Season 3
Episodes
1
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…
2
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.
3
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…
4
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…
5
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.…
6
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…
7
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…
8
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?…
9
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.…
10
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,…
11
Everyone is dealing with the loss of Clary and are trying to move on best they can. Unbeknownst to them, the Shadowhunters face a new level of evil that they…
12
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.…
13
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…
14
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…
15
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…
16
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…
17
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.
18
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,…
19
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.…
20
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…
21
Clary comes up with a plan that will bring Shadowhunters and Downworlders together, as Alec struggles for a way to help Magnus.
22
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…