Ace Reporter (Season 2, Episode 18)

3.0 0 x
Lena’s ex-boyfriend, Jack Spheer, comes to National City to unveil his big breakthrough in nano-technology, which has the potential to eradicate all diseases.

Alex (Season 2, Episode 19)

3.0 0 x
Alex is kidnapped and the kidnapper threatens to kill her unless Supergirl releases a notorious criminal from prison.

The Martian Chronicles (Season 2, Episode 11)

3.0 2 x
Armek, a White Martian, descends on National City intent on taking M’gann back to Mars to face her punishment as a traitor.

Lives (Season 2, Episode 9)

3.0 0 x
Kara takes Mon-El with her to the last place Izzy was seen and the duo find themselves thrust through a portal to another planet, Slaver’s Moon, where the downtrodden are sold as slaves.

We Can Be Heroes (Season 2, Episode 10)

4.0 0 x
After Livewire seemingly breaks out of prison, Supergirl is intent on recapturing her.
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