| "Subject 9" | |
|---|---|
| Series The Flash Season 4, Episode 14 | |
| File:Flash 4x14 001.jpg | |
| Air date | February 27th, 2018 |
| Writers | Jonathan Butler; Gabriel Garza |
| Director | Brent Crowell |
| Producers | Sam Chalsen; Judalina Neira; Geoff Garrett; Jennifer Lence; Carl Ogawa; Jonathan Butler; Gabriel Garza; JP Finn; Eric Wallace; Sarah Schechter; Todd Helbing; Andrew Kreisberg; Greg Berlanti; Scott Sebert |
| Starring | Grant Gustin; Candice Patton; Danielle Panabaker; Carlos Valdes; Neil Sandilands; Tom Cavanagh; Jesse L. Martin |
| Episode guide | |
| Previous "True Colors" |
Next "Enter Flashtime" |
"Subject 9" is the fourteenth episode of season four of the live-action superhero action series The Flash and the seventy-fifth episode of the series overall. It was directed by Brent Crowell with a teleplay written by Jonathan Butler and Gabriel Garza. It first aired on the CW Network on Tuesday, February 27th, 2018 at 8:00 pm.