Shadowhunters: The Mortal Instruments season 3 started airing on Tuesday, March 20, 2018. Subscribe below for season Three fan alert to get a short reminder email the day of the season finale: May 29, 2018. Get a brief email if and when the next season is announced. Make sure to come back to airdate.us where we’ll have season recap and discussion.
List of Episodes
most recent episode S3E5 Stronger Than Heaven
next episode S3E6 A Window Into an Empty Room
The season consists of 20 episodes.