Where can I watch “Supergirl” Season 6 Episode 16 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).

Do I need to watch earlier episodes before “Cauchemar à National City”?

Watching earlier episodes in season 6 helps you follow the plot and character arcs leading into this episode.

Watch Supergirl Season 6 Episode 16 Online

“Cauchemar à National City” — Watch "Supergirl" Season 6 Episode 16 online in HD for free. Check streaming providers, cast, and episode details.

Oct 19, 2021 Season 6 Episode 16 42 min TV-14

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Supergirl Season 6

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Season 6 Episode 16 — Aired on Oct 19, 2021 • runs about 42 minutes.

Directed by Eric Dean Seaton.

Written by Rob Wright, Jess Kardos.

Notable cast/guest names in this episode include Melissa Benoist, Chyler Leigh, David Harewood, Katie McGrath.

This page includes 3 official still(s) (when available) plus legal availability links.

Looking for “watch Supergirl Season 6 Episode 16 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Kara décroche l'article de ses rêves pour Catco, mais lorsque la ville est soudainement attaquée par un monstre de cauchemar au même moment que son entretien, elle est obligée de réfléchir sérieusement à sa vie et de décider si elle peut continuer à vivre à la fois comme Kara et Supergirl. Alors que Dreamer prend la tête de la recherche du Totem du Rêve, qui peut vaincre le monstre des cauchemars à National City, elle réalise qu'elle doit demander de l'aide à sa sœur Mauve. De vieilles blessures refont surface alors que les deux soeurs se retrouvent face à face.