In the Heat of the Night Season 4

Virgil goes to Philadelphia to investigate a friends death.And Bubba (reluctantly) fills in as Althea's Lamaze coach.

Virgil is framed for murder and Gillespie travels to Philly to help him clear his name.

Gillespie sends Parker to confirm suspicions that a local truck stop is really a front for a prostitution business.When a young prostitute is found dead Gillespie is shocked at her fathers reaction.Parker is dismayed when he recognizes one of the ladies.

A mild mannered school teacher is accused of child molestation.

Gillespie and his officers are outraged when a drug courier who ran down the son of Virgil's next door neighbor makes a deal with the F.B.I. to avoid prosecution.

Bubba is reunited with his high school sweetheart, but his happiness is short lived after she resorts to murder to silence an attorney who was threatening to stop her from inheriting her late husband's estate.

The investigation into the death of an abandoned infant leads to a mentally handicapped teenager.

A lawyer has personal reasons for trying to gain early release for a man who was sent to prison after an accident he caused while drinking and driving.

Harriet and Eugene are devastated after Gene's father is arrested for murder.

Sweet is heartbroken when an elderly woman who befriended him is murdered in her bookstore.

Virgil's dream of a better relationship with his Aunt Ruda and her son is shattered when his cousin takes part in a string of burglaries that result in murder.

Gillespie receives word that a former Spartan is wanted for the murder of a socialite in Houston.But a ruthless bounty hunter, sent by the victim's jealous husband is already in Sparta and sees the man's sister as a means to locate his quarry.

In this Christmas episode the officers share memories with a reporter from the Sparta Herald.

A bottle of spiked moonshine leads to an accident that claims the life of one teen and blinds another.

A psychiatrist tells Gillespie that one of her patients has confessed to a crime that another man is about to be executed for, but she refuses to divulge his identity.

A story of two brothers one an honor student that Althea has great plans for, the other a dangerous drug dealer as they struggle to influence a younger sibling.

Virgil soon regrets telling an old friend that his new business partners are being investigated by the police.

Parker protects a blind woman who heard her neighbors murder.

A serial rapist stalks Sparta.

Bubba travels to Los Angeles to arrest an arsonist.When the man is murdered to keep him from talking Bubba teams up with a pretty insurance investigator to solve the crime.

Harriet tries to keep Eugene from giving up when his father faces the death penalty.And the police search for three suspects in connection to a robbery/murder.

Althea thinks Virgil needs a new line of work after seeing the aftermath of a deadly shooting at a roadhouse.Virgil finds himself in danger when they arrest the man who committed the crime.