The Shadowhunters' Wiki

The Shadowhunters' Wiki

Season Three

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Season 3
No. of episodes 20
Premiere episode TBA
Finale episode TBA
Season chronology
Season Three
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
Season Two TBA →

The third season of Shadowhunters: The Mortal Instruments was officially announced on April 21, 2017. It will consist of 20 episodes and is set to premiere in 2018.[1][2]

Known information

SPOILER WARNING: Plot details follow. Caution is advised!

Cast and characters

Main characters:

Recurring characters:

more here...


The renewal for the season was announced on April 21, 2017, during a live chat on Facebook with the cast.[1]

According to an earlier report, production is tentatively set to run from August 14, 2017 to May 18, 2018.[5] Executive producer Matt Hastings confirmed that production is set to begin in August.[6]

See also


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