SUPERGIRL

SEASON 4: AMERICAN ALIEN (2018)
Kara meets a new employee of Catco, Nia Nal. Camera footage exposes President Marsdin's true identity as a Durlan.

SEASON 4: FALLOUT (2018)
Anti-alien sentiment spreads. Brainy is alarmed at the hatred shown at a pizzeria, where he accidentally bumps into Nia Nal.

SEASON 4: MAN OF STEEL (2018)
In a flashback scene, J'onn is shown fighting a Daxamite invader.

SEASON 4: AHIMSA (2018)
As the DEO tries to mind-probe a comatose kryptonite-weakened Supergirl, Brainy asks her to say hello to Streaky ... Kara's childhood black cat pet who he "met" in a previous telepathic scan.

SEASON 4: PARASITE LOST (2018)
Brainy, using an image transducer to appear less alien, starts to feel attracted to Nia.

SEASON 4: CALL TO ACTION (2018)
At CatCo, Nia's narcolepsy alarms Kara and James Olsen.

SEASON 4: RATHER THE FALLEN ANGEL (2018)
Brainy, Kara and Alex spend some quiet time at home, watching Keanu Reeves, whom Brainy quoted often.

SEASON 4: BUNKER HILL (2018)
Nia reveals she is from planet Naltor, and that she can dream the future. In a slip of the tongue, Brainy calls her Nura, indicating he knows something about Nia.

SEASON 4: SUSPICIOUS MINDS (2018)
Brainy tries to set up a date with Nia.

SEASON 4: BLOOD MEMORY (2018)
Nia uses her powers to talk to her mother about them, who assures her she'll be able to continue the dreamer line. She gifts her a costume.

SEASON 4: MENAGERIE (2018)
All decked out in her new costume, Nal (Dreamer) and Kara fight a symbiotic, snake-like alien parasite known as Menagerie.

SEASON 4: WHAT'S SO FUNNY ABOUT TRUTH, JUSTICE AND THE AMERICAN WAY? (2018)
Brainy gets into a fight with moves he learned from his friend Val (Karate Kid).

SEASON 4: STAND AND DELIVER (2018)
Supergirl, Nia and J'onn defeat the Morai, The Hat and Menagerie.

SEASON 4: O BROTHER, WHERE ART THOU? (2018)
The nervous relationship between Nia and Briany continues. Manchester Black flees with Brainy's flight ring.

SEASON 4: ALL ABOUT EVE (2018)
Supergirl returns Brainy's flight ring after capturing Manchester Black. She also gives Alex a signal watch.

SEASON 4: CRIME AND PUNISHMENT (2018)
Brainy and Nia continue to forge a relationship as Supergirl is framed.

SEASON 4: AMERICAN DREAMER (2018)
With Kara ceasing to operate as Supergirl, Dreamer takes her place as National City's superhero. Initially reluctant, Brainy decides to help her in crimefighting duties.

SEASON 4: WILL THE REAL MISS TESSMACHER PLEASE STAND UP? (2018)
Brainy and Dreamer join J'onn in an attempt to defeat anti-alien activist Agent Liberty and his soldiers.

SEASON 4: RED DAWN (2018)
One of Agent Liberty's agents strikes Brainy in the forehead, inadvertently causing him to behave like his ancestors while rebooting. He escapes and betrays J'onn and Nia, getting them deported with the other aliens.

SEASON 4: THE QUEST FOR PEACE (2018)
Brainy returns to his normal self, the anti-alien act is repealed, Agent Liberty is arrested, and Brainy clumsily professes his love for Dreamer.