So Long and Goodnight is an episode of The Flash starring Grant Gustin, Candice Patton, and Danielle Panabaker. After Black Hole hires Rag Doll to kill Joe, Singh suggests he go into the witness protection program; Ralph runs into...
Runtime: 50 minutes
Genre: Action, Adventure, Drama, Sci-Fi
Stars: Grant Gustin, Candice Patton, Danielle Panabaker, Carlos Valdes
Director: Alexandra La Roche, Greg Berlanti, Andrew Kreisberg, Geoff Johns, Kristen Kim, Thomas Pound, Lauren Certo, Sterling Gates, Joshua V. Gilbert, Jeff Hersh