<Tr> <Th> 42 </Th> <Td> 22 </Td> <Td> "Nevertheless, She Persisted" </Td> <Td> Glen Winter </Td> <Td> Story by: Andrew Kreisberg & Jessica Queller Teleplay by: Robert Rovner & Caitlin Parrish </Td> <Td> May 22, 2017 (2017 - 05 - 22) </Td> <Td> T13. 20172 </Td> <Td> 2.12 </Td> </Tr> <Tr> <Td_colspan="8"> It is revealed that Rhea used Silver Kryptonite to manipulate Kal's senses, showing Kara as General Zod . Kara eventually overpowers Kal and takes him to the Fortress, where a recovered Kal finds a way to end the war . Kara challenges Rhea to Dakkam Ur, an ancient rite in which two leaders duel and the loser concedes the war, accepted by Rhea . Lillian helps Lena build a device capable of dispersing lead, which is lethal to Daxamites, including Mon - El . With the approval of Mon - El, Kara tells the DEO to use the device if she loses . During the duel, Rhea resumes the invasion . J'onn wakes up and joins the battle . M'gann returns with other benevolent White Martians, who engage Daxamites . With Rhea claiming she will not stop the invasion, even if she loses, Kara launches the device, killing Rhea and forcing the fleet to leave . Before Mon - El can succumb, Kara boards him in a pod and sends him away from the Earth . Cat reassumes her position in CatCo; and Alex asks Maggie to marry her . In deep space, Mon - El's pod is drawn into a wormhole . In flashbacks to the destruction of Krypton, an unknown faction sends another infant to the Earth in order to "reign". </Td> </Tr> <Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> U.S. viewers (millions) </Th> </Tr> <Tr> <Th> 43 </Th> <Td> </Td> <Td> "Girl of Steel" </Td> <Td> Jesse Warn </Td> <Td> Story by: Andrew Kreisberg Teleplay by: Robert Rovner & Caitlin Parrish </Td> <Td> October 9, 2017 (2017 - 10 - 09) </Td> <Td> TBA </Td> <Td> TBD </Td> </Tr> <Tr> <Th> 44 </Th> <Td> </Td> <Td> "Triggers" </Td> <Td> David McWhirter </Td> <Td> Gabriel Llanas & Anna Musky - Goldwyn </Td> <Td> October 16, 2017 (2017 - 10 - 16) </Td> <Td> TBA </Td> <Td> TBD </Td> </Tr> <Tr> <Th> 45 </Th> <Td> </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBD </Td> </Tr> <Tr> <Th> 46 </Th> <Td> </Td> <Td> "The Faithful" </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBD </Td> </Tr> <Tr> <Th> 47 </Th> <Td> 5 </Td> <Td> TBA </Td> <Td> Kevin Smith </Td> <Td> Eric Carrasco & Cindy Lichtman </Td> <Td> TBA </Td> <Td> T13. 20654 </Td> <Td> TBD </Td> </Tr> <Tr> <Th> 48 </Th> <Td> 6 </Td> <Td> "Midvale" </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBD </Td> </Tr> <Tr> <Th> 49 </Th> <Td> 7 </Td> <Td> "Wake Up" </Td> <Td> Chad Lowe </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBD </Td> </Tr> <Tr> <Th> 50 </Th> <Td> 8 </Td> <Td> TBA </Td> <Td> Larry Teng </Td> <Td> TBA </Td> <Td> November 27, 2017 (2017 - 11 - 27) </Td> <Td> TBA </Td> <Td> TBD </Td> </Tr> <Tr> <Td_colspan="8"> This episode begins a crossover that will continue on Arrow season 6 episode 8, followed by The Flash season 4 episode 8 and conclude on Legends of Tomorrow season 3 episode 8 . </Td> </Tr> </Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> U.S. viewers (millions) </Th> </Tr>

When does the new episode of supergirl come out