Nightwatch: Season 4, Episode 5

4 - 5: Animal Instinct

Officers Robb and Bethany are helped by the K9 Unit to corral a suspect who takes off running after a car chase. Fire Rescue's Rush and Rutledge struggle to convince a man with heart problems to go to the hospital. Mayville and Doug are called in when a car careens off a bridge–and the driver can't be found.