Watch Shadowhunters Online: Season 3 Episode 21

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How did it all end for Clary and the Shadowhunters?

On Shadowhunters Season 3 Episode 21, everyone joined forces with the aim of taking Jonathan down. 

Meanwhile, Alec struggled to come up with a solution to help Magnus after his sacrifice. 

Who gave him some ideas?

Elsewhere, Jonathan had a terror plot planned that threatened to destroy the entire Shadowhunters. 

Confessions - Shadowhunters Season 3 Episode 20

Finally, one couple finally walked down the aisle.

What problem awaited them? 

Use the video above to watch Shadowhunters online right here via TV Fanatic. 

Catch up on all your favorite shows and reviews and join in the conversations with other fanatics who love TV as much as you.

Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.

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Shadowhunters Season 3 Episode 21 Quotes

I was thinking...life is too precious to waste any time on stupid things like pinky swears.

Simon

I'm never leaving you again.

Alec