Supernatural "Advanced Thanatology" episode synopsis:
While working on a case involving the ghost of a demented doctor, Sam (Jared Padalecki) and Dean (Jensen Ackles) get assistance from an unexpected source – Billie (guest star Lisa Berry). Castiel (Misha Collins) finds his way back to the Winchesters. John Showalter directed the episode written by Steve Yockey (#1305). Original airdate 11/9/2017.
Arrow "Deathstroke Returns" episode synopsis:
Slade (Manu Bennett) returns and asks Oliver (Stephen Amell) for help in tracking down his son. When they learn Joe (guest star William Franklyn-Miller) has been taken hostage by mercenaries, their mission to save him gets complicated by a terrible revelation that could shatter Slade's hopes of reunion forever. Meanwhile, Vigilante reappears in Star City. Joel Novoa directed the episode written by Ben Sokolowski & Spiro Skentzos (#605). Original airdate 11/9/2017.
Gotham "Stop Hitting Yourself" episode synopsis:
Grundy and Nygma become main attractions at Cherry's Place in The Narrows. Penguin wants revenge when he hears Nygma is mocking him on stage and enlists The Sirens for help. Meanwhile, Gordon is offered the position of GCPD Captain, putting him at odds with Bullock in the all-new “A Dark Knight: Stop Hitting Yourself” episode of GOTHAM airing Thursday, November 9th on FOX.
Supernatural airs 8pm EST followed by Arrow at 9pm EST on The CW.
Gotham airs 8pm EST on FOX.