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On Supergirl Season 4 Episode 12, Kara decides to team up with J'onn on his latest P.I. assignment but it ends up tying directly into Alex's current situation.
On Supergirl Season 4 Episode 11, Nia is encouraged to embrace her destiny and Alex deals with a drug that turns people violent and gives them superpowers.
On Supergirl Season 4 Episode 10, Colonel Haley and Supergirl clash when she handles a distress call from a Navy ship that turns out to be an alien attack.
On Supergirl Season 4 Episode 9, the Elseworlds crossover continues, and Cisco continues to cause problems for his former friends. Can anyone get through to him?
On Supergirl Season 4 Episode 8, Kara and Brainy try to persuade Nia to embrace her destiny after she has a powerful dream about Agent Liberty.
On Supergirl Season 4 Episode 7, Supergirl and Manchester Black track down a lead on Agent Liberty's location when things end up taking a dark turn.
On Supergirl Season 4 Episode 6, the characters meet up for Thanksgiving, but Kara is struggling after her conversation with Ben Lockwood on national tV.
On Supergirl Season 4 Episode 5, Kara writes s series of articles highlighting aliens in National City but inadvertently ends up putting them in harm's way.
On Supergirl Season 4 Episode 4, Alex asks Lena and Brainiac to team up to help Supergirl while J'onn questions his decision to quit the DEO.
On Supergirl Season 4 Episode 3, Ben transforms from a mild-mannered professor into the villainous Agent Liberty with input from his anti-alien father.