A frustrated California Police Captain by the name of Adam Greer enlists the help of three young former convicts to help him deal with criminal activity in the blooming hippie youth culture. The trio is known as 'The Mod Squad' and they consist of a white rich outcast Pete Cochran, a black small time hood, Linc Hayes, and a beautiful lonely young woman named Julie Barnes.

	4x01 The Sentinels The Squad searches the city for a pair of killers who harbor a flock of pigeons which could cause an encephalitis epidemic.	Sep. 14, 1971
	4x02 Cricket A retarded boy who has accidentally shot Julie is sought by the Squad in order to save him from a murderer.	Sep. 21, 1971
	4x03 Home Is the Streets The Squad pursues a dope pusher on the run for shooting two policemen.	Sep. 28, 1971
	4x04 Survival Julie, suffering a snake bite, is left stranded in the desert with a blind man when three young hoodlums steal her car.	Oct. 05, 1971
	4x05 Color of Laughter, Color of Tears The Squad investigates a circus carnival that is being sabotaged.	Oct. 12, 1971
	4x06 The Medicine Men Julie falls in love with a young doctor who is being blackmailed.	Oct. 19, 1971
	4x07 The Sands of Anger The Squad investigates a mysterious explosion that kills a driver at a dune-buggy rally in the desert.	Oct. 26, 1971
	4x08 The Poisoned Mind Depressed after having shot a young man during a robbery, Greer takes time off to recover.	Nov. 02, 1971
	4x09 Exit the Closer Pete, Linc and Julie go undercover at a used car lot to crack a narcotics ring.	Nov. 09, 1971
	4x10 Whatever Happened to Linc Hayes? Suffering from amnesia after getting mugged, Linc wanders the city, unsure as to whether or not he is the escaped mental patient he reads about in a newspaper.	Nov. 16, 1971
	4x11 And a Little Child Shall Bleed Them The Squad tries to protect a TV clown whose life is in danger.	Nov. 23, 1971
	4x12 Real Loser The Squad tries to track down a killer who was hired by his intended victim.	Nov. 30, 1971
	4x13 Death of a Nobody A woman is killed by a hit-and-run driver, but Pete is sure he was the intended victim.	Dec. 07, 1971
	4x14 Feet of Clay Linc befriends a deaf-mute who becomes a reluctant hero after saving a guard's life in a warehouse fire.	Dec. 14, 1971
	4x15 I Am My Brother's Keeper The killing of a union member sends Linc and Julie undercover to the ship docks to find Pete, who is suffering a brain injury.	Jan. 04, 1972
	4x16 Deal with the Devil Pete and Julie investigate the disappearance of a Vietnam war correspondent involved in the drug scene.	Jan. 11, 1972
	4x17 Kill Gently, Sweet Jessie 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.	Jan. 18, 1972
	4x18 Shockwave Julie becomes emotionally attached to an abandoned baby whose parents are terrorizing the area with armed robberies.	Jan. 25, 1972
	4x19 No More Oak Leaves for Ernie Holland The Squad works undercover as social workers to find a stolen cache of guns.	Feb. 01, 1972
	4x20 The Cave Pete, Linc and Julie are trapped in a cave by a crazed man who holds them responsible for his son's death in Vietnam.	Feb. 08, 1972
	4x21 The Wild Weekend Pete is kidnapped and almost killed by the jealous boyfriend of his former finacee.	Feb. 15, 1972
	4x22 The Tangled Web Pete and Linc jeopardize their lives and careers by helping Julie's friend return the jewelry he has stolen.	Feb. 22, 1972
	4x23 Outside Position Pete tries to help an ex-convict who has been framed on a narcotics charge.	Feb. 29, 1972
	4x24 Big George The Squad guards a man whose life is threatened because he witnessed a murder.	Mar. 07, 1972