The 25th season kicks off. Patrolmen from the Toledo Police Department in Ohio respond to a domestic disturbance call involving a woman and her boyfriend, whom she claims threatened her with a knife. Next, when a feral zebra is found running through city streets, the Sacramento County Sheriff's Department must work with an animal trainer to contain the zebra so it can be returned to safety. Finally, the Police Bureau in Portland, OR responds to a disturbance call involving a suspect carrying a large stick and a rock chasing another man on a highway overpass.

In Portland, Ore., police catch a couple engaging in lewd activity in a car; a prostitution sting is discovered during an undercover investigation in Alameda County, Cal. Also: a confrontation with an underage prostitute in Las Vegas.

In Alamenda County, California., police chase an uncooperative person on a bike; Newport, Virginia a suspecious car in investigated in a carpark. Also: responding to a domestic-disturbance call in Chattanooga.

In Kansas City, Mo., a suspect in a stolen vehicle abandons the car and takes off into the woods; and a man is taken into custody after being accused of threatening a resident with a gun. Also: A driver with alcohol in his car hits a pedestrian.

A suspect flees Atlanta police, and when they investigate further, they learn that the suspect's vehicle was stolen; in Kansas, police confront two teens carrying concealed weapons; officers from the Hillsborough County Sheriff's Office in Florida find a suspicious amount of prescription pills in a car.

In Newport News, Va., police catch a cyclist carrying a concealed weapon; officers from the Broward County Sheriff's Office in Florida respond to a burglary; a Palm Beach, Fla., man is taken into custody after a domestic-disturbance call.

A Las Vegas woman refuses to pay taxi fare; police in Portland, Ore., investigate a knife fight; a tourist chases after a man who allegedly stole his gold necklace in Broward County, Fla.

Kansas police investigate a car crash and find drugs and a gun in one of the vehicles; a physical fight erupts between two roommates in North Las Vegas; and in Chattanooga, cops stop two men leaving a drug dealer's residence.

Portland, Ore., police chase a suspect who runs from a traffic stop and also pursue a naked bicycle rider; officers respond to a call concerning a man being chased by a knife-wielding suspect.

Alameda County, Cal., police pursue a man who runs when they try to question him; Newport News, Va., officers search a car when drugs are seen inside; Chattanooga, Tenn., cops respond to a domestic disturbance call.

An elderly man crashes his car, escapes on foot and then collapses. Elsewhere, Las Vegas cops find potentially stolen items and crystal meth in a suspect's pocket; and officers from California's Rialto Police Department respond to a domestic disturbance.

Sacramento police officers are witnesses to an unexpected proposal after they haul in a suspect and his girlfriend; a burglary is stopped; and a domestic disturbance is broken up in Amarillo, Texas.

Officers from the Las Vegas Metro Police Department question a young woman who appears to be soliciting prostitution, but she denies the accusation despite prior arrests. Later, officers from the Chattanooga Police Department respond to a call involving a father and son who got into a physical altercation involving alcohol. Finally, officers from the Portland Police Bureau chase after a suspect who begins to run when they flash their lights on him, and they find out that he tried to get rid of his methamphetamines to avoid being sent to rehab.

Officers from the Newport News Police Department in Virginia put a stop to a pursuit in progress and deal with an unstable suspect who claims to have called the police for assistance. Next, a routine traffic stop in takes a turn when officers from the Alameda County Sheriff's Office find a bag of marijuana and evidence of a pending transaction through text messages. Finally, the Las Vegas Metro Police Department respond to a domestic violence call after a man and his stepson engage in a heated verbal argument.

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