Supergirl S02E18, Lena’s ex-boyfriend come to their city to show his big step in nano-technology which will help to erase all diseases. Lena join with Kara and the truth turn be out that they are in danger.
Alex is trap into somewhere which both supergirl and she don’t know. A man is arrested and he demand for exchange Alex for his father out of prison. Alex disagree with this agreement then, she has a private talk with Maggie.
Supergirl S02E21, The Daxamites dispatch a full intrusion of National City, murdering and capturing regular folks. They likewise assault the DEO, yet Alex and Winn figure out how to get away. Mon-El discovers that he needs to wed Lena so as to join the general population of Earth with Daxam.
In Supergirl S03E01, like Superman in his name of ” Man of Steel”, Supergirl has the same title. Kara have more challenges to face in this episode, Maggie and Alex chase for a crime car, then they is shooted and Supergirl show up to save them.