Parasite Lost
Supergirl Season 4



Critic Ratings: 10
Critics Consensus

Buoyed by the mesmerizing, terrifying transformation of Agent Liberty, "Parasite Lost" covers a lot of ground without losing sight of the season's overarching theme.

Episode Info

Colonel Haley makes a surprising decision regarding Supergirl. 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.

Cast & Crew

Melissa Benoist
Kara Danvers/Supergirl
Chyler Leigh
Alex Danvers
Mehcad Brooks
James Olsen
David Harewood
Hank Henshaw/J'onn J'onzz
Katie McGrath
Lena Luthor
Jesse Rath
Querl Dox/Brainiac-5
Nicole Amber Maines
Nia Nal/Dreamer
April Parker Jones
Colonel Lauren Haley
Sam Witwer
Agent Liberty
David McWhirter
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Parasite Lost Videos

Parasite Lost Photos

Critic Reviews for Parasite Lost

Parasite Lost" somehow has way too much going on, yet also a lot of time to fill. It's not a bad episode, per se, but it is a bit of a weird one.

Nov 12, 2018 | Rating: B | Full Review…

The transformation is stunning, and Sam Witwer is killing it as one of the scariest CW superhero villains in a long, long time. He's glib and golden and furiously angry, and it's hypnotic to watch.

Nov 12, 2018 | Rating: A- | Full Review…

The episode does an excellent job of pulling together various plots in a way that feels cohesive and moves the overarching story forward.

Nov 13, 2018 | Rating: 4/5 | Full Review…

Nia Nal has been a joy to watch. Nia adds an earnestness to the series that it lost for a brief time...

Nov 12, 2018 | Full Review…

I felt like I was actually watching Supergirl again, the one I've always loved.

Nov 12, 2018 | Rating: 5/5 | Full Review…

Though there are enjoyable moments sprinkled throughout Supergirl Season 4, overall, I'm just not connecting with the main storyline.There were even moments where I started zoning out.

Nov 12, 2018 | Rating: 2.6/5 | Full Review…

Normally, a plot about Kara doing journalism would make me nervous; as I've noted probably too many times, Supergirl's portrayal of the media plays rather fast and loose with reality.

Nov 12, 2018 | Full Review…

J'onn made his first steps towards becoming an alien detective.

Nov 12, 2018 | Full Review…

Frankly, I think she went too far by ending her celebratory brunch with a toast "to health, happiness and basking in the sunshine." On a TV show, that's straight-up tempting fate.

Nov 12, 2018 | Full Review…

Ironically, Supergirl more successfully sidelined its hero this week than last, when she was in a full-body suit and was physically on the brink of death.

Nov 12, 2018 | Rating: 3/5 | Full Review…