Season Four

Parasite Lost

Supergirl (405) - Parasite Lost
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As Alex prepares for Colonel Haley’s new role at the D.E.O., Liberty recruits his own Parasite to use against National City’s alien population. Kara writes a profile of a legendary alien healer, and is surprised by the negative backlash from the anti-alien community.

U.S. air dates are in MM.DD.YY form.   U.K. air dates are in DD.MM.YY form.

News & Spoilers


Colonel Haley (April Parker Jones) makes a surprising decision regarding Supergirl (Melissa Benoist). Kara writes s series of articles highlighting aliens in National City in the hopes that humans will stop being so fearful of them. Unfortunately, the article puts some of the aliens in harm's way.

David Mcwhirter directed the episode written by Maria Maggenti & Aadrita Mukerji (#405).