Amunet kidnaps Caitlin and forces her to perform a tricky medical task and the Thinker traps the Flash in a speedster-proof prison. <br /> <br />Director: Stefan Pleszczynski <br /> <br />Writers: Greg Berlanti, Andrew Kreisberg <br /> <br />Stars: Grant Gustin, Candice Patton, Danielle Panabaker
