Dooley (James Belushi) está trabajando en una operación de vigilancia de un traficante de drogas, Ken Lyman (Kevin Tighe), y casi pierde la vida cuando un helicóptero hace estallar su coche por encargo de Lyman. Cuando Mike pide al departamento un nuevo coche, le proporcionan un nuevo compañero, un perro policía llamado Jerry Lee. Pero Jerry tiene el mismo problema que Dooley: no sabe trabajar en equipo. Y aunque Jerry Lee destruya el coche de Dooley, su casa o su vida sexual, ambos van ganando respeto el uno por el otro, aunque no logran ponerse de acuerdo en quién es el jefe.

Después de su fallido intento para rescatar a un bebé de panda robado, el oficial canino Max (un solitario y fuerte Rottweiler) deberá trabajar junto a Frank (un agente humano del FBI) e infiltrarse en el siguiente objetivo de los ladrones: un certamen canino en Las Vegas. Los dos agentes se encontrarán inmersos en un mundo perruno con pedicuras, botox, depilaciones brasileñas y bocas antincendios chapadas en oro. Si quieren rescatar al panda deberán dejar a un lado su machismo y aprender a trabajar como compañeros.

Dooley y su perro Jerry Lee todavía son activos como un equipo de policía con el LAPD. Sin embargo, los años el capitán inicial y que cuenta Roger Byers piensa ellos urgentemente tienen que hacer algo con su condición. Hasta los obliga a trabajar con un segundo equipo: el que del Sargento joven Welles y su Dobermann Zeus disciplinado. Dooley y Jerry Lee creen que pueden trabajar sin sus nuevos compañeros pero un tirador de primera misterioso los fuerza a la cooperación última

Dooley y su socio K9 Jerry Lee están dispuestos a retirarse de la fuerza policial. Pero antes de que pueda retirarse con su pensión, deberá trabajar como PI para encontrar un conjunto de chips de computadoras de alta tecnología.

Asignan a Max a la Casa Blanca mientras Butch, el perro del servicio secreto, está de la baja por maternidad. Encuentra TJ, un muchacho de 12 años, que es el hijo presidencial. Debido al perfil alto de su padre, trata con fuerza de caber y conducir una vida normal. Durante una visita de Estado por el presidente ruso y su hija, Alexandra (Alex), a TJ le piden acompañarla, durante su permanencia. ¡TJ ofrece amistad a Alex, pero cuándo entran en el problema, Max viene al rescate!

With his cop companion shot and killed by terrorists, Reno The Dog pairs up with tough cop Jake in thwarting the criminal organization.

Moosa, a private detective, faces many challenges while solving various cases. His only rival is his own brother-in-law, Peethambaran, who is a police officer.

Lloyd Wilson, trusted employee of an investment firm, is suspected of theft when $20,000 in security bonds is stolen from his office. Tarzan, the Famous Police Dog, has an intuitive dislike of an apparently respectable citizen, and this leads Wilson and the police to the gang headquarters. Tarzan wins a public citation for his leading part in breaking the case against a desperate gang of criminals.

Las Vegas, 1969. El destino y algunos problemas reúnen a dos viejos amigos, que se enfrentarán al crimen que acecha la ciudad.

Usually it is us who choose the dog, but sometimes the dog chooses us. By choosing one dog, Aleksandra, Jovana and Marija come into conflict with a criminal gang led by Sergej, a ruthless dealer. Aleksandra's American ID and her fiancee's FBI pass lead the criminals to mistake this for an international operation, and since the local cops are corrupt, the three girls are left with no choice but to take matters in their own hands.

Police dog Pluto is tracking down Butch, the dog that abducted rich dog "Ronnie" for a 10,000 bone ransom. Pluto releases Ronnie, but is hunted by Butch.

Third and last entry of the Capt. Nick Jansen trilogy. This time Jansen is a member of the dog squad who fights a gang of drug dealers led by Rolly and Marko. After a raid on a night club he picks up Steve, the little brother of his girlfriend Pat Jackson, who has been given drugs by Marko.

While working in Europe, Avram comes to realize that Italians are paying good money for trained dogs that can protect them from the waves of immigrants. That's Avram's big-time idea: he returns to Romania to start breeding watch dogs which he can later export to Italy. As it happens, he settles next to a camp of immigrants recently sent back from Rome. Thus, the Italian tension is willy-nilly reenacted on the banks of the Danube. Avram's life gets complicated. He starts having an affair with his own daughter in law, lands in conflict with his ex-immigrant neighbors and his life is literally under threat. The film ends with an unpredictable situation.

The police set out to take down a gang of counterfeiters, using every tool they have including police dogs.

A feud between two gangs in Chinatown breaks out into a tong war.

Remake of a 1929 German film by the same title about a man and a police dog.

Paul Ludwig, a K9 police officer and handler himself, was nearly killed when a K9 failed on the street. Sam Edmonds, a decoy//trainer hybrid has been taking bites on the arms and legs while learning from the best of the best over the last 10 years. They joined together to start training and producing some of the toughest K9's in the world while shedding light on an unsettling situation: most working dogs are extremely ill-prepared and under-trained for the reality of our world today. A situation that has led to canine and officer deaths in the past. They talk to several other K9 trainers and officers, hear their stories, meet their partners, and follow their dogs through the training process and back into the streets to protect our communities.