|File:Arrow 8x05 000.jpg|
|Air date||November 12th, 2019|
|Writers||Beth Schwartz; Marc Guggenheim|
|Producers||Oscar Balderrama; James Bamford; Greg Berlanti; Jill Blankenship; Marc Guggenheim; Deric A. Hughes; Onalee Hunter Hughes; Jennifer Lence; Jordan Menn; Carl Ogawa; Emilio Ortega Aldrich; Todd Pittson; Benjamin Raab; Sarah Schechter; Beth Schwartz|
|Starring||Stephen Amell; David Ramsey; Rick Gonzalez; Juliana Harkavy; Katherine McNamara; Ben Lewis; Joseph David-Jones; LaMonica Garrett|
"Prochnost" is the fifth episode of season eight of the superhero action series Arrow and the 161st episode of the series overall. It was directed by James Bamford with a script written by Beth Schwartz and Marc Guggenheim. It first aired on the CW Network on Tuesday, November 12th, 2019.