Supergirl: 5x9
Crisis on Infinite Earths: Part One (I)
The Monitor sends Harbinger to gather the worlds’ greatest heroes – Supergirl, The Flash, Green Arrow, Batwoman, White Canary, The Atom and Superman – in preparation for the impending Crisis. With their worlds in imminent danger, the superheroes suit up for battle while J’onn and Alex recruit Lena to help them find a way to save the people of Earth-38. This crossover continues on Batwoman S1E09, The Flash S6E09, Arrow S8E08, and Legends of Tomorrow S05E01.
5 - 1Event Horizon Oct. 06, 2019
5 - 2Stranger Beside Me Oct. 13, 2019
5 - 3Blurred Lines Oct. 20, 2019
5 - 4In Plain Sight Oct. 27, 2019
5 - 5Dangerous Liaisons Nov. 03, 2019
5 - 6Confidence Women Nov. 10, 2019
5 - 7Tremors Nov. 17, 2019
5 - 8The Wrath of Rama Khan Dec. 01, 2019
5 - 9Crisis on Infinite Earths: Part One (I) Dec. 08, 2019
5 - 10The Bottle Episode Jan. 19, 2020
5 - 11Back From The Future – Part One Jan. 26, 2020
5 - 12Back From The Future – Part Two Feb. 16, 2020
5 - 13It's a Super Life Feb. 23, 2020
5 - 14The Bodyguard Mar. 08, 2020
5 - 15Reality Bytes Mar. 15, 2020
5 - 16Alex in Wonderland Mar. 22, 2020
5 - 17Deus Lex Machina May. 03, 2020
5 - 18The Missing Link May. 10, 2020
5 - 19Immortal Kombat May. 17, 2020