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 Magnu's romantic past.

The episode was rated 7.97 from 578 votes.

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.

The episode was rated 7.98 from 573 votes.

After several Shadowhunters are killed, the Institute turns to controversial methods to prevent a Downworlder uprising.

The episode was rated 7.98 from 909 votes.

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.

The episode was rated 7.99 from 366 votes.

After a devastating attack at the Institute, everyone is on high alert as the Shadowhunters close in on their hunt for Jonathan. Meanwhile, Simon and Maia help a new Downworlder as the Seelie Queen demands an answer from Magnus and Luke.

The episode was rated 8.00 from 921 votes.

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

The episode was rated 8.00 from 542 votes.

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 can't even imagine with the arrival of Jonathan Morgenstern.

The episode was rated 8.01 from 451 votes.

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.

The episode was rated 8.04 from 646 votes.

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.

The episode was rated 8.05 from 537 votes.

Jace and Clary rush to make a final stand, but when a traitor is revealed, Jace and Clary may have a bigger fight on their hands than expected. Meanwhile, Alec and Izzy must fight off a large mass of demons that have unexpectedly shown up, as Luke and Simon head to the Seelie Court to deal with some unfinished business with the Seelie Queen.

The episode was rated 8.06 from 890 votes.

The New York Institute is under attack as Valentine's plan for The Soul Sword is getting dangerously close to coming to fruition. The Shadowhunters must act fast to save their loved ones and the rest of the Downworld. Meanwhile, some of the Downworlders have their own plan to stop Valentine and their target is Clary.

The episode was rated 8.09 from 1158 votes.

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.

The episode was rated 8.15 from 386 votes.

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

The episode was rated 8.16 from 374 votes.

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.

The episode was rated 8.37 from 563 votes.

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.

The episode was rated 8.37 from 392 votes.