4x13 Catharsis (January 01, 0001)

4x12 The Troubles (June 25, 1998)

When a woman becomes a fugitive, Nina uses her only resource to help find her, her daughter. Stone's life becomes threatened.

4x11 Going Native (June 11, 1998)

Nina and Stone go undercover as owners of a garbage company. Nina and J.C. deal with their emotions of sleeping together and G catching them.

4x10 Sign o' the Times (June 04, 1998)

Lt. Barker gets involved in a bank robery. G cathes Nina and J.C. in bed together.

4x09 The Unusual Suspects (May 28, 1998)

Nell's ex husband comes back and ask's Nell for protection from the mob. Nina and J.C. become close.

4x08 Capital Punishment (March 26, 1998)

A serial killer gives male victims tainted drugs.

4x07 Quid Pro Quo (March 19, 1998)

The detectives discover that the CIA is involved in a money-laundering scheme at a bank in a Cuban neighborhood.

4x06 Rat Trap (March 12, 1998)

The unit probes mysterious fires in the garment district.

4x05 Mob Street (February 12, 1998)

The detectives go undercover on Wall Street to foil a stock-manipulation scheme.

4x04 Spare Parts (January 29, 1998)

Missing teens prompt a probe of a private hospital's organ-donor program.

4x03 Pipeline (January 22, 1998)

Agents interfere in an undercover operation aimed at a Colombian drug kingpin.

4x02 Drop-Dead Gorgeous (January 15, 1998)

Members of the unit target a modeling agent.

4x01 Change Change Change (January 08, 1998)

Lt. Barker recruits JC and Moreno to get the armored-car robber who killed Eddie and MacNamara.