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Episode guide

S2·E8 Medusa (I)

Core Aired November 28, 2016

Narrative Classification: Standard continuity chapter maintaining character development and season progression.

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Synopsis

Eliza comes to town to celebrate Thanksgiving with her daughters. Alex decides it’s time to come out to her mother; Kara is shocked when Eliza suggests Mon-El has feelings for her, and Winn and James consider telling Kara the truth about the Guardian. Meanwhile, Cadmus unleashes a virus that instantly kills any alien in the vicinity so Kara enlists an unexpected ally – Lena Luthor. The epic superhero crossover kicks off tonight when Barry Allen and Cisco Ramon seek Kara's help with an alien invasion on their Earth.

The crossover continues on The Flash S03E08 Invasion! (II), Arrow S05E08 Invasion! (III) and DC's Legends of Tomorrow S02E07 Invasion! (IV).

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Frequently Asked Questions

When did Season 2 Episode 8 of Supergirl air?

Season 2, Episode 8 ('Medusa (I)') originally aired on November 28, 2016.

How long is Season 2 Episode 8 ('Medusa (I)')?

The episode follows the standard broadcast runtime for Supergirl.

What happens in Supergirl Season 2 Episode 8?

Eliza comes to town to celebrate Thanksgiving with her daughters. Alex decides it’s time to come out to her mother; Kara is shocked when Eliza suggests Mon-El has feelings for her, and Winn and James consider telling Kara the truth about the Guardian. Meanwhile, Cadmus unleashes a virus that instant...

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