Supergirl season 3 episode 20 Recap and FAQ

Episode Summary

Supergirl and Mon-El embark on a space mission to find the Rock of Yuda Kal to cure Reign, leading them to Argo City, a surviving fragment of Krypton. Here, Kara reunites with her mother, Alura. On Earth, Alex grapples with being targeted by an unknown assassin, while Lena Luthor faces the moral dilemma of possibly using Kryptonite against Reign. In Argo, Kara persuades the council to give her Harun-El, the key to stopping Reign. Back at the DEO, Alex reflects on her dual life as an agent and her future as a mother. Meanwhile, Reign becomes aware of Lena's potential kill switch, intensifying the looming confrontation.

Full Episode S03E20 Recap

### Previously on Supergirl - Kara (Supergirl) and Mon-El discuss their plan to use the Rock of Yuda Kal to turn Reign back into Sam. - They journey into space to find the rock, encountering a tractor beam and losing control of their ship. - Meanwhile, J'onn J'onzz and the DEO team prepare for Supergirl's return, concerned about Reign's growing immunity to Kryptonite. - Alex and Ruby share a bonding moment, but their peace is disrupted by an attack aimed at Alex. - Lena Luthor struggles with the possibility of having to kill Reign to save the world. ### In Space - Kara and Mon-El find themselves on a city on a surviving piece of Krypton, Argo City. - Kara reunites with her mother, Alura, and learns about the city's survival. - Mon-El treats a local child with a futuristic device, showcasing compassion and resourcefulness. ### On Earth - Alex investigates who might be trying to kill her, suspecting several past enemies. - She sets a trap to catch her would-be assassin, who turns out to be the twin of a Fort Rozz prisoner. - Lena Luthor contemplates using a Kryptonite kill switch on Reign if Supergirl fails to return in time. ### Argo City - Kara pleads with the High Council of Argo City to provide Harun-El to help stop Reign. - The council debates but eventually agrees to give Kara the needed Harun-El. - Alura gives Kara a heartfelt farewell, expressing pride in her daughter's heroism. ### DEO Headquarters - Alex expresses her internal conflict between her duty as an agent and her desire to be a mother. - J'onn reassures Alex about her ability to balance both roles in the future. ### Lena's Laboratory - Reign confronts Lena, revealing her awareness of the kill switch and her readiness to fight. ### Dark Kryptonian Ritual - A mysterious figure conducts a dark ritual, calling upon Reign, foreshadowing further conflict.

Frequently Asked Questions

What is the Rock of Yuda Kal and its significance in the episode?

The Rock of Yuda Kal is a Kryptonian stone that can be used to turn Reign back into Sam.

Where do Kara and Mon-El travel to find the Rock of Yuda Kal?

They travel to space, specifically to a surviving piece of Krypton, Argo City.

Who does Kara reunite with in Argo City?

Kara reunites with her mother, Alura.

What does Mon-El do in Argo City?

Mon-El uses a futuristic device to treat a local child's illness.

Why is Alex being targeted and by whom?

Alex is targeted by an unknown assassin, later revealed to be the twin brother of a Fort Rozz prisoner.

What is Lena Luthor's dilemma regarding Reign?

Lena contemplates using a Kryptonite kill switch on Reign if Supergirl doesn't return in time.

How does the High Council of Argo City initially respond to Kara's request for Harun-El?

The council is initially skeptical and reluctant to part with the Harun-El.

What internal conflict does Alex express at the DEO?

Alex struggles with her identity as both a DEO agent and her desire to become a mother.

What is Reign's reaction to Lena's potential use of the kill switch?

Reign shows awareness of the kill switch and challenges Lena's readiness

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