Guest stars: Sister Souljah and Gilbert Gottfried. Debbie Allen makes an uncredited cameo appearance cleaning her own star on the Hollywood Walk of Fame.
Notes: Jada Pinkett (Lena), Ajai Sanders (Gina), and Karen Malina White (Charmaine) become regular cast members.
First appearances of recurring cast members Bumper Robinson (Dorian), Patrick Y. Malone (Terrell), and Jenifer Lewis (Dean Davenport).
Note: Final recurring appearance of Andrew Lowery (Matthew)
Absent: Darryl M. Bell, Charnele Brown, Jasmine Guy, Kadeem Hardison, Lou Myers, Cree Summer, and Glynn Turman.
Note: This episode marks the final appearance of Sinbad on the series.
Season 4 (1989–90) edit
| No. overall | No. in season | Title | Directed by | Written by | Original air date | Prod. code |
|---|---|---|---|---|---|---|
| 56 | 1 | "Draw the Line" | Kim Manners | Glen Morgan & James Wong | September 18, 1989 | 16404 |
|
Booker solves the case that gets Hanson out of prison, then resigns from the police force. Note: This episode marks the departure of series regular Richard Grieco, who would go on to star in the spin-off series Booker. | ||||||
| 57 | 2 | "Say It Ain't So, Pete" | Jefferson Kibbee | Bill Nuss | September 25, 1989 | 16405 |
|
Penhall and Hanson examine a college gambling operation run out of a sports bar. Ioki returns to duty, and takes a promotional exam for detective along with Hoffs and Penhall–only one of the officers passes. Guest stars: Rick Aiello and Rob Estes. | ||||||
| 58 | 3 | "Eternal Flame" | Mario Van Peebles | David Stenn | October 2, 1989 | 16406 |
|
While investigating a nightclub suspected of providing LSD to high school students, Hanson runs in to a former girlfriend–who is now the wife of the club owner. Guest stars: Michael Des Barres (in his second appearance), Thomas Haden Church, and Tracy Griffith. Mario Van Peebles makes his second uncredited appearance. | ||||||
| 59 | 4 | "Come from the Shadows" | David Nutter | Story by : Larry Barber & Paul Barber and Sharon Elizabeth Doyle Teleplay by : Larry Barber & Paul Barber | October 9, 1989 | 16308 |
|
Penhall, Hoffs, and Ioki investigate a priest in a Catholic university who is suspected of selling Salvadorean babies to finance an underground sanctuary movement. Penhall falls for an illegal immigrant from El Salvador who is suspected of working with the priest. | ||||||
| 60 | 5 | "God is a Bullet" | Jefferson Kibbee | John Truby | October 17, 1989 | 16331 |
|
A new principal goes too far in trying to clean up his high school from crime. | ||||||
| 61 | 6 | "Old Haunts in a New Age" | Jefferson Kibbee | Glen Morgan & James Wong | October 30, 1989 | 16407 |
|
A psychic teen says she can predict when an arsonist will next strike during a Halloween dance. | ||||||
| 62 | 7 | "Out of Control" | Mario Van Peebles | Thania St. John | November 6, 1989 | 16408 |
|
A group of thrill seeking teens has Penhall and Ioki working as rent it cops. | ||||||
| 63 | 8 | "Stand by Your Man" | Daniel Attias | Michelle Ashford | November 13, 1989 | 16403 |
|
An investigation into designer drugs leads the officers to a prestigious medical school. Meanwhile, newly-promoted detective Hoffs is raped while on a date with one of the suspects who later claims it was she who seduced him. | ||||||
| 64 | 9 | "Mike's P.O.V." | Jorge Montesi | Story by : John Truby Teleplay by : Glen Morgan & James Wong | November 20, 1989 | 16410 |
|
A teacher's wife is shot down and the investigation leads to the husband paying a student to kill her. | ||||||
| 65 | 10 | "Wheels and Deals, Part Two" | Jefferson Kibbee | Thania St. John | November 27, 1989 | 16414 |
|
A tip from Booker has the Jump Street officers joining Raymond Crane's motorcycle group in order to bring him to justice. This episode begins on Booker. | ||||||
| 66 | 11 | "Parental Guidance Suggested" | Jeffrey Auerbach | Sam Bushwick and Glen Morgan & James Wong | December 4, 1989 | 16311 |
|
Hoffs begins to suspect that a boy is being abused by his father while observing a family suspected of operating a burglary ring. | ||||||
| 67 | 12 | "Things We Said Today" | Tucker Gates | Glen Morgan & James Wong | December 18, 1989 | 16333 |
|
A teen seeks revenge on Ioki after he convinced him to turn his family in for using drugs 3 years earlier. | ||||||
| 68 | 13 | "Research and Destroy" | Jefferson Kibbee | Gary Rosen | January 8, 1990 | 16409 |
|
The officers are sent to investigate a chemistry lab at a college where it is suspected that new designer drugs are being manufactured. Guest starring Darren Mayes. | ||||||
| 69 | 14 | "A Change of Heart" | Jan Eliasberg | Michelle Ashford | January 15, 1990 | 16413 |
|
The death of a lesbian professor finds Hoffs and Fuller going undercover at a university. A student teacher's assistant develops romantic feelings for Fuller. | ||||||
| 70 | 15 | "Back from the Future" | Peter DeLuise | David Stenn | January 29, 1990 | 16412 |
|
A futuristic episode where the year is 2040 and the now aged officers are interviewed about the old days when Jump Street originated. | ||||||
| 71 | 16 | "2245" | Kim Manners | Michelle Ashford & Glen Morgan & James Wong | February 5, 1990 | 16419 |
|
Hanson tries convincing a death row inmate to make a film to scare off children from becoming criminals. | ||||||
| 72 | 17 | "Hi Mom" | James Whitmore, Jr. | Bill Nuss | February 12, 1990 | 16415 |
|
Hanson and Penhall investigate the drug related death of a basketball star and stumble into a point shaving scheme. Guest star: Kareem Abdul-Jabbar. | ||||||
| 73 | 18 | "Awomp-Bomp-Aloobomb, Aloop Bamboom" | Jorge Montesi | Glen Morgan & James Wong | February 19, 1990 | 16416 |
|
The investigation of a bomber leads Hanson and Penhall to Florida during the madness of spring break. | ||||||
| 74 | 19 | "La Bizca" | David Nutter | Larry Barber & Paul Barber | February 26, 1990 | 16411 |
|
Hanson and Penhall go to El Salvador to look for Doug's missing wife and find themselves in the middle of political turmoil. They return home with Marta's nephew to be raised by Penhall. Guest star: Richard Roundtree. Absent: Holly Robinson, Dustin Nguyen, and Steven Williams. | ||||||
| 75 | 20 | "Last Chance High" | Kim Manners | Michelle Ashford | March 19, 1990 | 16422 |
|
A teenager kidnaps her baby sister to get her away from their abusive parents; meanwhile Penhall adjusts to becoming a father to Clavo. | ||||||
| 76 | 21 | "Unfinished Business" | Daniel Attias | Story by : Julie Friedgen and Geri Jewell & Marc Powell Teleplay by : Julie Friedgen | April 9, 1990 | 16418 |
|
A handicapped policewoman is sent in undercover to investigate a series of attacks on handicapped women and Hoffs is sent in by Fuller undercover, in a wheelchair. | ||||||
| 77 | 22 | "Shirts and Skins" "A New Breeze Blowing" | Jorge Montesi | Larry Barber & Paul Barber | April 30, 1990 | 16420 |
|
Hoffs & Ioki go undercover in a liberal group suspected of killing the leader of a neo-Nazi group while Penhall joins the Nazis to learn if they plan a violent uprising. | ||||||
| 78 | 23 | "How I Saved the Senator" | James Whitmore, Jr. | Gary Rosen | May 7, 1990 | 16423 |
|
The officers tell their version of the story of how they saved a Senator from an assassin, each story with them as the hero. Guest star: Ray Parker Jr. | ||||||
| 79 | 24 | "Rounding Third" | Jefferson Kibbee | Gary Rosen | May 14, 1990 | 16427 |
|
Little League coach Penhall learns that one of the players was kidnapped by his father, away from his mother and step-father. | ||||||
| 80 | 25 | "Everyday is Christmas" | Ken Wiederhorn | Story by : David Gascon and Glen Morgan & James Wong Teleplay by : Glen Morgan & James Wong | May 21, 1990 | 16424 |
|
After Penhall abandons Ioki on a stake-out for a personal emergency, he is reassigned to uniformed patrol. At his new precinct, Penhall becomes involved with a group of corrupt officers while befriending rookie cop Dean Garrett–whom the other officers accuse of being a plant for Internal Affairs. Note: This episode marks the final appearance of Dustin Nguyen on the series. First recurring appearance of David Barry Gray (Dean Garrett). Absent: Johnny Depp, Holly Robinson, and Steven Williams. | ||||||
| 81 | 26 | "Blackout" | Tucker Gates | Story by : Alan McElroy Teleplay by : Larry Barber & Paul Berber | June 18, 1990 | 16417 |
|
After the power goes out during a storm, Penhall, Hanson and Hoffs find themselves at the mercy of a violent gang in school. Note: This episode marks the final appearance of Johnny Depp on the series. Absent: Dustin Nguyen and Steven Williams. | ||||||
Season 5 (1990–91) edit
Guest stars: Sister Souljah and Gilbert Gottfried. Debbie Allen makes an uncredited cameo appearance cleaning her own star on the Hollywood Walk of Fame.
Notes: Jada Pinkett (Lena), Ajai Sanders (Gina), and Karen Malina White (Charmaine) become regular cast members.
First appearances of recurring cast members Bumper Robinson (Dorian), Patrick Y. Malone (Terrell), and Jenifer Lewis (Dean Davenport).
Note: Final recurring appearance of Andrew Lowery (Matthew)
Absent: Darryl M. Bell, Charnele Brown, Jasmine Guy, Kadeem Hardison, Lou Myers, Cree Summer, and Glynn Turman.
Note: This episode marks the final appearance of Sinbad on the series.
| No. overall | No. in season | Title | Directed by | Written by | Original air date | Prod. code |
|---|---|---|---|---|---|---|
| 82 | 1 | "Tunnel of Love" | Jorge Montesi | Michelle Ashford | October 13, 1990 | 16426 |
|
In his first Jump Street assignment, Dean Garrett goes undercover with Hoffs in a massage parlor believed to be the front for a drug ring. Garrett takes an interest to a worker in the parlor, who turns out to be undercover DEA officer Kati Rocky. Notes: First recurring appearance of Alexandra Powers (Kati Rocky). This is the first episode to air in first-run syndication. It was originally produced for Season 4, and features departed cast members Johnny Depp and Dustin Nguyen in the opening sequence. Absent: Peter DeLuise. | ||||||
| 83 | 2 | "Back to School" | Steve Beers | Glen Morgan & James Wong | October 20, 1990 | 16425 |
|
Kati Rocky has joined the Jump Street program, and partners with Garrett to investigate a recurrence of drug dealing at a school recently busted by the other officers. Garrett's estranged brother makes an unannounced visit, and Garrett discloses he was adopted while Rocky confesses to having dropped out of high school. Meanwhile, Detective Hoffs purchase her first home. Notes: Final recurring appearances of Sal Jenco, David Barry Gray, and Alexandra Powers. This episode was originally produced for Season 4, and features departed cast members Johnny Depp and Dustin Nguyen in the opening sequence. Absent: Peter DeLuise. | ||||||
| 84 | 3 | "Buddy System" | Jorge Montesi | Jonathan Glassner & David Levinson | October 27, 1990 | 16504 |
|
Officer Tony McCann joins Jump Street and is partnered with a mentally-impaired teen in a school buddy system to investigate the death of the teen's former buddy. Notes: First appearance of Michael Bendetti (McCann). Peter DeLuise makes his first "special appearance". This is the first episode produced for first-run syndication. | ||||||
| 85 | 4 | "Poison" | Don McBrearty | Ann Donahue | November 3, 1990 | 16501 |
|
Penhall falls for his narcotics partner who seems to have a drug problem of her own. | ||||||
| 86 | 5 | "Just Say No! High" | Randy Bradshaw | Sharon E. Doyle | November 10, 1990 | 16503 |
|
While working undercover in a high school, Hoffs is suspended by Jump Street after failing a drug test. While Penhall investigates a drug ring at a high school, he becomes suspicious why a star basketball player refuses to take part in the schools anti-drug program. | ||||||
| 87 | 6 | "Brothers" | Don McBrearty | Jonathan Glassner | November 17, 1990 | 16511 |
|
Doug's younger brother Joey joins Jump Street. After being rejected by Doug, he volunteers to go undercover in a cult and soon becomes brainwashed by their leader and a pretty girl who shows him love. | ||||||
| 88 | 7 | "This Ain't No Summer Camp" | Peter D. Marshall | Morgan Gendel | November 24, 1990 | 16515 |
|
Doug and Joey join a wilderness camp for troubled teens to investigate a possible murder, but are constantly harassed by the leader, a former Marine. | ||||||
| 89 | 8 | "The Girl Next Door" | Brenton Spencer | Jonathan Glassner | December 1, 1990 | 16516 |
|
McCann investigates a murder of a high school football star and dates a cheerleader who has AIDS. | ||||||
| 90 | 9 | "Diplomas for Sale" | Randy Bradshaw | Thomas Perry & Jo Perry | December 8, 1990 | 16508 |
|
Doug and Joey enroll in a college where good students are becoming criminals. | ||||||
| 91 | 10 | "Number One with a Bullet" | Peter DeLuise | Ann Donahue | December 22, 1990 | 16513 |
|
Doug's life enters limbo while doctors struggle to save him after being shot. He begins to make life-altering career choices after talking with those he meets there. Note: This episode marks the final appearance of Peter DeLuise on the series. | ||||||
| 92 | 11 | "Equal Protection" | Brad Turner | Jeff Myrow | January 5, 1991 | 16505 |
|
Hoffs and Fuller investigate white police officers who are believed to be beating black teens. | ||||||
| 93 | 12 | "The Education of Terry Carver" | Randy Bradshaw | Thomas Perry & Jo Perry | January 14, 1991 | 16509 |
|
Hoffs, Joey and Mac try to find evidence surrounding a girl who was attacked and raped. No one believes that she was victimized by a guy on her college campus. | ||||||
| 94 | 13 | "Baby Blues" | Zale Dalen | Deborah Starr Seibel | January 21, 1991 | 16506 |
|
Joey takes responsibility for a baby girl while trying to find her drug addicted mother. | ||||||
| 95 | 14 | "Film at Eleven" | Peter DeLuise | David Levinson | February 9, 1991 | 16520 |
|
Mac tries to solve the mystery of why a famous reporter's daughter had been missing. Absent: Holly Robinson. | ||||||
| 96 | 15 | "In the Name of Love" | Zale Dalen | Story by : James L. Novak and Jonathan Glassner Teleplay by : Jonathan Glassner | February 16, 1991 | 16521 |
|
Mac goes undercover for the FBI by dating the daughter of a notorious drug dealer while trying to rekindle a romance with an old flame. Absent: Holly Robinson. | ||||||
| 97 | 16 | "Coppin' Out" "Cop Love" | Brad Turner | Simon Ayer | February 23, 1991 | 16518 |
|
Mac and Joey try to find who is responsible for a series of robberies at a retirement home with one suspect being the son of Fuller's girlfriend. Note: This episode marks the final appearance of Michael DeLuise in the series. Absent: Holly Robinson. Guest stars: Markus Redmond. | ||||||
| 98 | 17 | "Under the Influence" | Jorge Montesi | Sharon E. Doyle | March 23, 1991 | 16517 |
|
Mac enters a devil worship cult whose leader can lure boys to join them with her beauty. Absent: Holly Robinson and Michael DeLuise. | ||||||
| 99 | 18 | "Crossfire" | Jorge Montesi | Ann Donahue | March 30, 1991 | 16523 |
|
Hoffs is brought to court after being charged with a civil suit for arresting a man for solicitation. Absent: Michael DeLuise. Guest stars: Renée Jones (her second appearance in the series) and Geoffrey Thorne. | ||||||
| 100 | 19 | "Wasted" | Brenton Spencer | Sharon E. Doyle | April 6, 1991 | 16519 |
|
Mac goes undercover as a football player after the school's star player dies from a heart attack. Absent: Holly Robinson and Michael DeLuise. | ||||||
| 101 | 20 | "Bad Day at Blackburn" | Brenton Spencer | Thomas Perry & Jo Perry | April 13, 1991 | 16510 |
|
A group of high school extortionists has Hoffs, Mac and Fuller going in undercover to investigate. | ||||||
| 102 | 21 | "Homegirls" | Brad Turner | Jeff Myrow | April 20, 1991 | 16522 |
|
Hoffs infiltrates a girl gang to find who is responsible for a murder of a teen she witnessed. Guest star: Jada Pinkett. | ||||||
| 103 | 22 | "Second Chances" | Steven Williams | Jim Brown | April 27, 1991 | 16502 |
|
Hoffs and Mac investigate a car theft ring with the prime suspect being one of Hoffs' own students. | ||||||