Aliens attack National City.
A new villain comes to National City.
Kara investigates a series of alien kidnappings.
Mon-El is suspicious about the sudden return of someone in Kara’s life.
Mr. Mxyzptlk arrives on Earth and wreaks havoc on National City.
Kara fights to clear Lena’s name.
Supergirl battles to protect M’gann when a White Martian shows up.
Livewire threatens big trouble for Supergirl when she breaks out of prison.
Kara lands herself in trouble when she disobeys Snapper Carr’s orders.
Find out which other shows have been given another season.
Eliza comes to National City for Thanksgiving.
Supergirl comes face to face with Cyborg Superman.