@TV Promos - Barry meets Black Lightning at the Hall of Justice after things take a dire turn with Despero. Iris suspects something is off with Despero's vision of the future so she seeks help from a powerful ally...
"Crisis on Earth-X, Part 3" Season 4 Episode 8 Promo - THE EPIC FOUR-WAY CROSSOVER WITH “ARROW,” “SUPERGIRL,” “THE FLASH” AND “DC’S LEGENDS OF TOMORROW” CONTINUE