Question: when does the next episode of supergirl air
Answer: 20654 TBD 48 6 `` Midvale '' Rob Greenlea Caitlin Parrish & Jess Kardos November 13 , 2017 ( 2017 - 11 - 13 ) TBA TBD 49 7 `` Wake Up '' Chad Lowe TBA November 20 , 2017 ( 2017 - 11 - 20 ) TBA TBD 50 8 TBA Larry Teng TBA November 27 , 2017 ( 2017 - 11 - 27 ) TBA TBD This episode begins the crossover event `` Crisis on Earth - X '' 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 .