Where can I watch “Shadowhunters” Season 3 Episode 1 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

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Watching earlier episodes in season 3 helps you follow the plot and character arcs leading into this episode.

Watch Shadowhunters Season 3 Episode 1 Online

“On Infernal Ground” — Watch "Shadowhunters" Season 3 Episode 1 online in HD for free. Check streaming providers, cast, and episode details.

Mar 20, 2018 Season 3 Episode 1 44 min TV-14

8.2 ★ ★ ★ ★ ★

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Shadowhunters Season 3

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Season 3 Episode 1 — Aired on Mar 20, 2018 • runs about 44 minutes.

Directed by Matthew Hastings.

Written by Todd Slavkin, Darren Swimmer.

Notable cast/guest names in this episode include Katherine McNamara, Dominic Sherwood, Alberto Rosende, Matthew Daddario.

This page includes 6 official still(s) (when available) plus legal availability links.

Looking for “watch Shadowhunters Season 3 Episode 1 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

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 come clean about whatever Jace and Clary are hiding. Luke must use tough love to keep his secret hidden from Ollie who is on a war path for answers. And Magnus hides his true feelings about his new position in the Warlock community from Alec. Meanwhile, Lilith sets a plan in motion in New York City as Simon spend stime in the Seelie Court.