While Iris faces trouble in her new job, a former protégé of Dr. Wells uses sound waves to attack the Flash.
Episode rating
Cast of episode
69
17
7
3
2
1
- Barry Allen
- Cisco Ramon
- Dr. Harry Wells
- Caitlin Snow
- Joe West
- Iris West-Allen
- Detective Eddie Thawne
- Eric Larkin
- Mason Bridge
- Hartley Rathaway
- Cop #1
- Woman
- Gideon
- Businessman
- Police Officer