The Mod Squad - Season 4

While searching for a pair of murderers, the trio uncovers a link between murder, a stolen car and a threatened epidemic.

Julie and a young boy named Cricket go to the park where Cricket finds a gun dropped by a man he runs into. Cricket then accidentally shoots Julie and, thinking he's killed her, runs away.

The Squad pursues a dope pusher on the run for shooting two policemen.

After Julie picks up a blind hitchhiker, they have a flat tire and flag down a passing car for help. Unfortunately, the people in the car trick them into switching cars and abandon them in the desert.

The Squad investigates a circus carnival that is being sabotaged before its opening day. The circus' owner vows the show will go on, despite it being in more danger of additional accidents.

Julie falls in love with a young doctor who is being blackmailed by one of his fellow students from medical school.

Julie, Linc and Pete attend a dune buggy race where a pickup truck blows up, killing a young man Julie had just met. The trio then investigate the incident, suspecting foul play.

Depressed after having shot a young man during a burglary, Greer takes time off to recover. However, while on vacation, he found himself poisoned by a slow acting poison that could kill him, leading to the Squad to go on a race against time to find the criminal. 

The trio helps a used car salesman who's made a deal with the devil.

Suffering from amnesia after getting mugged, Linc wanders Skid Row, unsure as to whether or not he is the escaped mental patient he reads about in a newspaper. The second clip show of the series, which includes flashbacks to previous episodes Bad Man on Campus, My, What a Pretty Bus, and Who Are the Keepers, Who Are the Inmates?

The Squad tries to protect a TV clown whose life is in danger.

The Squad defends a drug dealer, whose daughter is a sick child in need of medical care; his associate has marked him for murder. 

A woman is killed by a hit and run driver, but Pete is sure he was the intended victim.

A young deaf-mute is credited as a hero after he saves a guard from a warehouse fire just as Pete, Linc, and Julie come upon the scene. But someone is trying to kill the young man, who seems ashamed by all the attention he's getting, and may know more than he's letting on.

Linc, Julie, and Greer race against time to find Pete, who has left the hospital prematurely after being run down by a car. He is determined to find out who murdered the friend he was meeting, and is unaware that he has a dangerous blood clot which could kill him. The killers of his friend are also looking for Pete, planning to kill him as well.

Pete is contacted by his old friend Rusty Bryson, a war correspondent whom he knew and idolized as a boy. But the Treasury department is looking for Bryson, who it suspects of smuggling drugs from Vietnam.

A convicted murderer out on parole goes on a mission to kill Pete, who he mistakenly believes was responsible for a savage beating he suffered years earlier.

Julie becomes emotionally attached to an abandoned baby whose parents are terrorizing the area with armed robberies.

A Vietnam veteran returns to the police force with questionable ideas of dealing with dissident ghetto residents.

Julie, Linc and Pete break down in the desert during a sandstorm and seek shelter in an abandoned mine. An old man embittered by the death of his son in the war who hates hippies then sets off dynamite and traps the trio inside.

Pete is kidnapped and almost killed by the jealous boyfriend of his former fiancée.

Pete and Linc come close to breaking the law as they attempt to help a parolee, an old friend of Julie's, return stolen jewelry.

A stable boy's employer frames him for possessing drugs and continues conspiring against him after his parole, all in order to stop the young man's romance with his daughter.

A man happens to witness the murder of a sales clerk and agrees to testify at the trial. As a result he and his family are relentlessly terrorized by someone, even after the trial has ended.