The Squad investigates when a youth joins a motorcycle gang, plots a fake payroll robbery of his father's company and learns the other gang members are playing it for real.
A Vietnam veteran who returns to the police force with hardline ideas about dealing with the enemy - in this case, dissident ghetto residents has a dehumanizing effect from war time.
Assignment: expose an industrial espionage ring. Posing as a safe-cracker, Pete follows the erratic trail of his only lead: a timid little man anxious to learn tricks of the safe-cracker's trade.
A disillusioned solid citizen becomes involved in the death of a hippie girl. He's seeking the girl's killer while his heartsick daughter searches desperately for him.
Terrifying journey for Julie, a man who kidnaped his son forces her to drive them to Los Angeles, knowing both he and the child were exposed to a deadly disease.
The 17-year-old son of a Britsh Army officer is suspected of murdering his father. Pete learns that the slightly retarded boy had good reason to be terrified of his father - but enough to kill him?
A seafaring stranger enchants Julie. A secluded beach is the hauntingly appropriate setting for Julie's attempts to unravel the mysterious man's identity.
Linc probes the death of a friend reported killed in Vietnam. His suspicions are aroused by his pal's last letter and the strange uneasiness of his returning army buddies.
An 8 year old boy must live in an orphanage, even though his mother is still alive. She won't sign papers allowing his adoption, so the Mod Squad goes to work.
Tom Blake is a tough ex-cop who's determined to find the person responsible for the narcotics-linked murder of his brother. The squad is also investigation the case and Blake's efforts are hindering them at every turn.
Linc feigns insanity to gain admittance to a private mental institution. Triggering his masquerade: the death of a friend who attempted to escape from the place.
A producer begins filming a movie with a script by an anonymous author. Subject of the film: a long-forgotten unsolved murder. Tension mounts on the set as someone repeatedly tries to sabotage production, and the Squad tries to find out why.
Beau Graves is released from prison after the trio put him there two years ago. Pete is trying to decide whether or not to quit the trio and work for his dad. Flashbacks to previous episodes after Linc is shot make it clear to everyone the importance of their "family".
The daughter of a syndicate leader is in her postulancy as a nun. Julie takes on the assignment of entering the same convent in order to protect the nun, who doesn't remember it, but has witnessed a brutal murder, by of all people, her father.
A fraternity brother of Pete's is implicated in the brutal murder of a young girl. Psychological analysis comes into play as the squad investigates the case and uncovers a tortured relationship between the suspect and his domineering mother.
A middle eastern prince becomes the love interest of Julie, only she doesn't know who he is, or that the struggle for power his government is in could lead to his death.
Con artist Admiral Nathaniel Johnson takes on the trio and teaches them the art of the con. They comply and become enamored of the Admirals ways and realize too late they are being conned themselves.
Tenants revolt against a racist slum lord and threaten the wrong person. Trio confronts the slum lord to no avail, until interventions from the Rabbi Tannenbaum convince him otherwise.
Julie poses as a singer at a Country Western bar to find out the real reason behind Wild Bill Hannachek's death.''''The death of a once-prominent singer looks like murder. The squad's investigation turns up several puzzles, and a second killing.
An illerate small time crook gets caught when he can't read the sign warning of danger. The squad rallies to help him if he cooperates with the law and snitches on his partner, who is responsible for the death of the security guard.
Linc, Julie and Pete have been assigned to protect a writer. Unfortunately they don't know that this writer suffers from multi-personality disorder and is about to display it.