# List of Head of the Class episodes

The following is a list of episodes for the television sitcom Head of the Class. The series premiered on September 17, 1986, on ABC, and ended on June 25, 1991. A total of 114 episodes were produced spanning five seasons.

## Series overview

| Season | Episodes | Episodes | Originally released | Originally released | Rank | Rating |
| Season | Episodes | Episodes | First released | Last released | Rank | Rating |
| 1 | 22 | 22 | September 17, 1986 (1986-09-17) | May 6, 1987 (1987-05-06) | 30 | 16.4 |
| 2 | 22 | 22 | September 23, 1987 (1987-09-23) | May 11, 1988 (1988-05-11) | 23 | 16.7 (Tied with The NBC Sunday Night Movie) |
| 3 | 22 | 22 | October 19, 1988 (1988-10-19) | May 10, 1989 (1989-05-10) | 20 | 17.1 |
| 4 | 26 | 26 | September 27, 1989 (1989-09-27) | May 2, 1990 (1990-05-02) | 26 | 14.8 |
| 5 | 22 | 22 | September 11, 1990 (1990-09-11) | June 25, 1991 (1991-06-25) | 26 | 14.5 |

## Episodes
### Season 1 (1986–87)

| No. overall | No. in season | Title | Directed by | Written by | Original release date | Rating/share (households) |
| 1 | 1 | "Pilot" | John Tracy | Rich Eustis & Michael Elias | September 17, 1986 (1986-09-17) | 21.0/34 |
| Substitute teacher Charlie Moore (Howard Hesseman) starts teaching the IHP history class with a new approach. |||||||
| 2 | 2 | "Back to the Future" | John Tracy | Rich Eustis & Michael Elias | September 24, 1986 (1986-09-24) | 19.2/30 |
| Charlie isn’t looking forward to his class reunion, and Eric isn’t looking forward to shag the future holds in store for him. |||||||
| 3 | 3 | "Charliegate" | Art Dielhenn | Alan Rosen | October 1, 1986 (1986-10-01) | 18.5/30 |
| History isn’t always the truth—a lesson the class learns when Dennis turns an evening of conversation with Charlie into a muck-raking article for the school newspaper. |||||||
| 4 | 4 | "Love at First Byte" | Frank Bonner | Howard Adler & Robert Griffard | October 22, 1986 (1986-10-22) | 16.7/24 |
| Love notes from a secret admirer have high school history teacher Charlie Moore playing detective. His honors class knows who it is, but they’re not telling. |||||||
| 5 | 5 | "The Outsider" | Kim Friedman | Valri Bromfield | October 29, 1986 (1986-10-29) | 15.9/25 |
| Charlie has to choose between his glamorous date (Maggie Han) and emotionally immature and socially inept Janice, a child genius, who desperately wants to fit in with her fellow students. |||||||
| 6 | 6 | "Teacher's Teacher" | Lee Shallat | Susan Rogers & Jeffrey Hammond | November 5, 1986 (1986-11-05) | 16.6/25 |
| Substitute teacher Charlie Moore’s students give him a surprise farewell party, but it’s the regular, Mr. Thomas (Roscoe Lee Browne), who delivers the real surprise. |||||||
| 7 | 7 | "Volleyball Anyone?" | Peter Baldwin | Michael Reiss & Al Jean | November 12, 1986 (1986-11-12) | 17.3/26 |
| Arvid tries to impress a girl by challenging the school basketball players to a volleyball match against the IHP class. |||||||
| 8 | 8 | "Critical Choices" | Lee Shallat | Gary Gilbert | November 19, 1986 (1986-11-19) | 13.5/21 |
| Charlie tries his hand at Hamlet, and solicits his students' feedback -- which is less than flattering. |||||||
| 9 | 9 | "Cold Turkey" | Lee Shallat | Rich Eustis & Michael Elias | November 26, 1986 (1986-11-26) | 14.2/23 |
| Charlie, alone for Thanksgiving, is invited to each of his students' homes, but ends up spending Thanksgiving with Dr. Samuels. |||||||
| 10 | 10 | "You've Got a Friend" | Art Dielhenn | Gary Gilbert | December 3, 1986 (1986-12-03) | 17.1/26 |
| After their team project wins them a trip to Washington, D.C., Sarah and Arvid develop slight feelings for each other. But things aren't necessarily a bed of roses between them. |||||||
| 11 | 11 | "As Time Goes By" | Peter Baldwin | Gary Gilbert | December 10, 1986 (1986-12-10) | 16.7/26 |
| Charlie's ex-flame (Isabella Hoffman) evaluates the class. |||||||
| 12 | 12 | "The Way We Weren't" | Andrew D. Weyman | Murray Mednick | December 17, 1986 (1986-12-17) | 15.7/24 |
| When doing reports on their ancestry, both Alan and Darlene find things out that they don't want to. |||||||
| 13 | 13 | "Rebel Without a Class" | Bill Davis | Alan Rosen | January 7, 1987 (1987-01-07) | 19.2/28 |
| Eric makes trouble for another teacher (Peter Vogt). |||||||
| 14 | 14 | "Ode to Simone" | Art Dielhenn | Lee Grant | January 14, 1987 (1987-01-14) | 16.7/25 |
| Simone receives a discouraging letter from her favorite poet....after his death. Dennis tries to give up sarcasm and pranks. |||||||
| 15 | 15 | "Past Imperfect" | Andrew D. Weyman | Jerry Rannow | January 21, 1987 (1987-01-21) | 18.6/27 |
| Charlie must pass a test in Macro Economics in order to keep his teaching license. The IHP attempt to help him. |||||||
| 16 | 16 | "A Problem Like Maria" | Andrew D. Weyman | Cynthia Thompson | January 28, 1987 (1987-01-28) | 16.9/25 |
| Maria dates the captain of the opposing team. |||||||
| 17 | 17 | "The Russians Are Coming, the Russians Are Coming!" | Art Dielhenn | George Beckerman | February 4, 1987 (1987-02-04) | 17.1/25 |
| The IHP faces their Russian counterparts in an academic tournament. Eric must join the team to replace an ailing Jawaharlal. |||||||
| 18 | 18 | "Valentine's Day" | Art Dielhenn | Gary Gilbert | February 11, 1987 (1987-02-11) | 16.8/25 |
| The class has problems on Valentine's Day. |||||||
| 19 | 19 | "Video Activity" | Art Dielhenn | Larry Spencer | February 18, 1987 (1987-02-18) | 18.9/28 |
| Dr. Samuels wants the IHP to create a staid, dignified entry for the Fillmore High time capsule, but instead the class makes a music video (to "The Future's So Bright, I Gotta Wear Shades" by Timbuk 3.) |||||||
| 20 | 20 | "Privilege" | Art Dielhenn | Janet Coleman & David Dozer | February 25, 1987 (1987-02-25) | 18.2/27 |
| Charlie sets Arvid up with a job at a hot nightclub, which causes Arvid to develop a cocky, image-conscious attitude. |||||||
| 21 | 21 | "Crimes of the Heart" | Art Dielhenn | Larry Spencer | April 1, 1987 (1987-04-01) | 17.1/26 |
| The class is mystified when Sarah's grades tumble. |||||||
| 22 | 22 | "The Secret Life of Arvid Engen" | Art Dielhenn | Ray Jessel & Cynthia Thompson | May 6, 1987 (1987-05-06) | 15.7/27 |
| Arvid starts to daydream about Lori (placing them successively as characters in Star Trek, The Honeymooners and Moonlighting) and it affects his schoolwork. |||||||

### Season 2 (1987–88)

| No. overall | No. in season | Title | Directed by | Written by | Original release date | Rating/share (households) |
| 23 | 1 | "Science Fair-Weather Friends" | Art Dielhenn | Larry Spencer | September 23, 1987 (1987-09-23) | 17.4/29 |
| Sarah, Arvid, and Dennis compete, deceive and even indulge in sabotage to try and win the science fair. |||||||
| 24 | 2 | "The Write Stuff" | Art Dielhenn | Lisa Rosenthal | September 30, 1987 (1987-09-30) | 17.1/28 |
| Charlie encourages the class to revitalize the school's literary journal, and the class votes Simone as editor-in-chief. Unfortunately, the position's power goes to Simone's head. Meanwhile, Eric fabricates a memoir for the journal, which dishonestly wins him more attention than Simone. |||||||
| 25 | 3 | "The Big Squeeze" | Art Dielhenn | Brad Isaacs | October 7, 1987 (1987-10-07) | 18.7/29 |
| The IHP are concerned when they learn a transfer student (Leon Fan) might join their class, making it necessary for one of them to leave. They fight over who it should be. |||||||
| 26 | 4 | "Child of the 60's" | Art Dielhenn | George Beckerman | October 14, 1987 (1987-10-14) | 17.8/28 |
| Dennis holds a sit-in for better cafeteria food after Charlie teaches a lesson on the rebelliousness of the '60s. |||||||
| 27 | 5 | "Trouble in Perfectville" | Art Dielhenn | George Beckerman | October 28, 1987 (1987-10-28) | 13.8/21 |
| The class puts out a lampoon issue of the school newspaper, but a guy (Scotch Ellis Loring) threatens to get in between co-editors Darlene and Sarah. |||||||
| 28 | 6 | "Coach Charlie" | Art Dielhenn | Phil Hahn & Jack Wohl | November 4, 1987 (1987-11-04) | 17.1/27 |
| When Dr. Samuels is ejected from the meets, he gets Mr. Moore to take his place as coach. When the team is intimidated by a losing streak, Eric tries to be part of the solution instead of part of the problem. |||||||
| 29 | 7 | "That'll Be the Day" | Art Dielhenn | Michael Elias & Rich Eustis | November 11, 1987 (1987-11-11) | 18.9/28 |
| The class puts on Grease, but Alan is reluctant to participate. |||||||
| 30 | 8 | "Poltergeist III" | Art Dielhenn | Bob Rosenfarb | November 18, 1987 (1987-11-18) | 17.5/28 |
| Janice (who is now 11) says there is a poltergeist following her, and soon the class begins to believe her. |||||||
| 31 | 9 | "Psyched Out at Fillmore" | Art Dielhenn | Mara Lideks | November 25, 1987 (1987-11-25) | 14.5/25 |
| The class takes a standardized personality test and then worry about the results. |||||||
| 32 | 10 | "Revenge of the Liberal" | Tony Singletary | Lisa Rosenthal | December 2, 1987 (1987-12-02) | 17.1/27 |
| The rest of the IHP is worried when a talk show host (Kevin McCarthy) invites Dennis and they fear how he will represent them. |||||||
| 33 | 11 | "Play it Again, Woody" | Art Dielhenn | Cynthia Thompson & Ray Jessel | December 9, 1987 (1987-12-09) | 13.5/21 |
| Charlie and Arvid reflect on their love woes at a Woody Allen marathon going on at a movie theater. |||||||
| 34 | 12 | "Will the Real Arvid Engen Please Stand Up?" | Art Dielhenn | Brian Robbins & Dan Schneider | January 6, 1988 (1988-01-06) | 17.3/25 |
| Arvid sends his penpal (Suzanne Snyder) Eric's picture. |||||||
| 35 | 13 | "On the Road Again" | Zane Buzby | Mark Fink | January 13, 1988 (1988-01-13) | 18.2/27 |
| Darlene and Sarah buy a car; problems with Mrs. Samuels (Claudette Nevins) has Dr. Samuels rooming with Charlie. |||||||
| 36 | 14 | "Fatal Distraction" | Art Dielhenn | George Beckerman & Larry Spencer | January 20, 1988 (1988-01-20) | 17.1/26 |
| When Maria kisses him and Simone asks him out on the same day, Eric's imagination conjures up a Fatal Attraction-style scenario (egged on by Dennis). |||||||
| 37 | 15 | "Cello Fever" | Art Dielhenn | Michael Elias & Rich Eustis | January 27, 1988 (1988-01-27) | 17.9/28 |
| Janice tries to get first chair in the school orchestra. |||||||
| 38 | 16 | "Parent's Day" | Art Dielhenn | Story by : Ramona Layman Teleplay by : Ellis Bufton & Scott Glaze | February 3, 1988 (1988-02-03) | 17.8/28 |
| The IHP's parents come to see how the class is taught, which highlights major problems within Eric's family (Dan Lauria, Patty McCormick). |||||||
| 39 | 17 | "Love is Debatable" | Frank Cavestani | Ray Jessel & Cynthia Thompson | February 10, 1988 (1988-02-10) | 16.7/25 |
| Darlene pretends to like Alan to win debates. |||||||
| 40 | 18 | "For Better, For Worse" | Art Dielhenn | Lisa Rosenthal | March 2, 1988 (1988-03-02) | 16.9/25 |
| Ms. Meara teaches a class on marriage. Nichelle Nichols makes a special cameo appearance. |||||||
| 41 | 19 | "We Love You, Mrs. Russell" | Art Dielhenn | Story by : Jerry Rannow & Greg Strangis Teleplay by : Jerry Rannow | March 9, 1988 (1988-03-09) | 19.4/31 |
| Maria has difficulty coping with a popular teacher (Mary Carver) who has Alzheimer's disease. |||||||
| 42 | 20 | "Don't Play With Matches" | Art Dielhenn | Jake Weinberger & Mike Weinberger | March 23, 1988 (1988-03-23) | 18.3/29 |
| When Dennis matches Simone up with an awful computer date (Richard Horvitz), she can't get rid of the guy. |||||||
| 43 | 21 | "The 21st-Century News" | Art Dielhenn | John Vorhaus | May 4, 1988 (1988-05-04) | 15.4/25 |
| Dennis sees a bleak future. |||||||
| 44 | 22 | "Moore Than You Know" | Alan Rosen | Alan Rosen | May 11, 1988 (1988-05-11) | 14.6/25 |
| In an homage to It's A Wonderful Life, Charlie thinks he sees his dead uncle (Kenneth Mars), and considers quitting his teaching job, believing he isn't making a difference with his students. |||||||

### Season 3 (1988–89)

| No. overall | No. in season | Title | Directed by | Written by | Original release date | Viewers (millions) |
| 45 | 1 | "The Refrigerator of Fillmore High" | Lee Shallat | Story by : Leslie Ferreira Teleplay by : Ellis Bufton & Scott Glaze | October 19, 1988 (1988-10-19) | 27.9 |
| Dennis gets to play on the football team. |||||||
| 46 | 2 | "Back in the U.S.S.R." | Art Dielhenn | Alan Rosen | October 26, 1988 (1988-10-26) | 28.2 |
| Dennis hopes to use the upcoming IHP trip to Russia to profit by selling coveted Western goods, while Eric pretends to have disdain for the whole affair. |||||||
| 47 | 3 | "Mission to Moscow" | Eric Laneuville | Michael Elias & Rich Eustis | November 2, 1988 (1988-11-02) | 26.1 |
| 48 | 4 | "Mission to Moscow" | Eric Laneuville | Michael Elias & Rich Eustis | November 2, 1988 (1988-11-02) | 26.1 |
| Part 1: In Moscow, Dr. Samuels insists on study for an academic meet, while Charlie pushes to let the IHP get out and learn about Russian culture. Part 2: Simone has an encounter at the grave of Anton Chekhov; Eric visits relatives; Dennis and Arvid are held up before the academic meet. The episode originally aired as a one-hour episode without a laugh track on ABC, but was later split into two parts and added a laugh track for syndication. |||||||
| 49 | 5 | "Let's Rap" | Art Dielhenn | Lisa Rosenthal | November 9, 1988 (1988-11-09) | 27.5 |
| When the class becomes peer counselors, Sarah has a challenging time with attitude-filled T.J. (Rain Pryor). |||||||
| 50 | 6 | "Engen and Son" | Art Dielhenn | David Hurwitz | November 30, 1988 (1988-11-30) | 27.7 |
| When a math teacher is injured, IHP gets a substitute, who turns out to be Arvid's father. The dad proves even more eggheaded than Arvid, and cannot relate to the students in mathematics. |||||||
| 51 | 7 | "Get a Job" | Alan Rosen | Andy Guerdat & Steve Kreinberg | December 7, 1988 (1988-12-07) | 25.7 |
| Dennis gets a job as a waiter to help pay off debts. |||||||
| 52 | 8 | "Born to Run" | Lee Shallat | Jerry Rannow | January 4, 1989 (1989-01-04) | 29.5 |
| Alan and Sarah are running for class president. When Alan considers stealing Sarah's proposals, Charlie warns him about emulating Richard Nixon. In a subplot, Arvid grows a mustache due to Dennis' formula. |||||||
| 53 | 9 | "First Date" | Lee Shallat | Lisa Rosenthal | January 18, 1989 (1989-01-18) | 27.9 |
| Eric and Simone go on their first date. |||||||
| 54 | 10 | "Partners" | Lee Shallat | Story by : Lisa Rosenthal & Janet Coleman & David Dozer Teleplay by : Ellis Bufton & Scott Glaze | January 25, 1989 (1989-01-25) | 26.5 |
| Maria hides her intelligence from a hunk (Brad Pitt) she is dating, while Dennis tries to win an essay competition for the prize money. |||||||
| 55 | 11 | "Arvid's Sure Thing" | Alan Rosen | Andy Guerdat & Steve Kreinberg | February 1, 1989 (1989-02-01) | 27.4 |
| Arvid goes out with an easy girl (Christine Elise), which sparks a battle in his soul of temptation versus conscience. |||||||
| 56 | 12 | "Scuttlebutt" | Lee Shallat | Ray Jessel & Cynthia Thompson | February 8, 1989 (1989-02-08) | 26.4 |
| An accomplished journalist alumnus (Jack Gilford) visits. |||||||
| 57 | 13 | "Little Shop 'Til You Drop (1)" | Art Dielhenn | Michael Elias & Rich Eustis | February 15, 1989 (1989-02-15) | 24.8 |
| Approached to direct the school musical, Charlie proposes Little Shop of Horrors. |||||||
| 58 | 14 | "Little Shop 'Til You Drop (2)" | Art Dielhenn | Michael Elias & Rich Eustis | February 22, 1989 (1989-02-22) | 23.0 |
| As opening night approaches, a sick lead, a frustrated backup singer, and an uncast major part put the production in jeopardy. One student has the makings of a good Seymour for Little Shop, but the girl playing Audrey is unsure of the chemistry between her and the leading man - Arvid. |||||||
| 59 | 15 | "The Hot Seat" | Alan Rosen | Valri Bromfield | March 1, 1989 (1989-03-01) | 25.7 |
| The girls don't like their gym teacher (Valri Bromfield), but she likes Charlie. |||||||
| 60 | 16 | "Radio Activity" | Art Dielhenn | Story by : Jay Wolf Teleplay by : Larry Spencer | March 8, 1989 (1989-03-08) | 25.3 |
| Charlie's efforts to broaden the audience and membership of the school's radio club tune out the original fans and its original member, Arvid. This episode was originally produced during season 2. (According to the Deseret News, this episode was set to premiere on January 11th, 1989 but was cancelled due to Ronald Reagan's farewell address.) |||||||
| 61 | 17 | "The Little Sister" | Art Dielhenn | Andy Guerdat & Steve Kreinberg | March 15, 1989 (1989-03-15) | 24.8 |
| Janice takes Dennis to small claims court for a ruined blouse; Charlie falls for Dr. Samuels' sister (Adrienne Barbeau). |||||||
| 62 | 18 | "Killer Coach" | Tony Singletary | David Hurwitz | March 22, 1989 (1989-03-22) | 26.7 |
| When Charlie badly beats Arvid in chess, he's set up in a match against the team's military-minded coach (Ray Buktenica) who has a long-standing grudge against him. |||||||
| 63 | 19 | "I Am the King" | Art Dielhenn | Jerry Rannow | April 5, 1989 (1989-04-05) | 22.3 |
| Charlie gets an acting gig, where he does a series of commercials for an electronics store. Dennis, who is watching a late night creature feature, sees one of these commercials and exposes his teacher. Charlie considers making this into a lesson about selling out, but reconsiders when he sees the owners of the store are decent business owners. This episode was originally produced during season 2 and is a nod to the WKRP in Cincinnati episode, 'Hold Up,' featuring the hold up man and similar appliance store. |||||||
| 64 | 20 | "King of Remedial" | Art Dielhenn | Ray Jessel & Cynthia Thompson | April 26, 1989 (1989-04-26) | 21.3 |
| Fed up with Dennis' constant gags, Charlie shows him the door - to a remedial history class, where Dennis becomes the inspirational leader for an academic meet against the IHP kids. |||||||
| 65 | 21 | "Labor Daze" | Art Dielhenn | Jerry Rannow | May 3, 1989 (1989-05-03) | 18.3 |
| A strike ironically leaves the IHP unprepared for a test on union history. |||||||
| 66 | 22 | "Exactly Twelve O'Clock" | Alan Rosen | Alan Rosen | May 10, 1989 (1989-05-10) | 19.7 |
| Arvid has visions of a High Noon scenario when challenged by a bully he wrote up for loitering. |||||||

### Season 4 (1989–90)

| No. overall | No. in season | Title | Directed by | Written by | Original release date | Viewers (millions) |
| 67 | 1 | "Back to School" | Lee Shallat | Rich Eustis & Michael Elias | September 27, 1989 (1989-09-27) | 26.3 |
| It's the first day back, and there are some new changes to Charlie's class. Maria transferred to the High School of Performing Arts, Jawarlahal's family moved to California, and Janice went to Harvard. Taking their place are Alex Torres (Michael DeLorenzo), Aristotle McKenzie (De'voreaux White), and Viki Amory (Lara Piper) (who has crushes on her teachers). |||||||
| 68 | 2 | "Viki & Eric & Simone & Alex" | Howard Storm | Andy Guerdat & Steve Kreinberg | October 4, 1989 (1989-10-04) | 25.5 |
| Eric goes out with Viki, Simone goes out with Alex, and they all end up at the art museum. |||||||
| 69 | 3 | "The Ring of Darlene M." | Lee Shallat | Story by : Jim Rogers & Ken Steele Teleplay by : Jeffrey Duteil | October 11, 1989 (1989-10-11) | 26.5 |
| Certain members of the class suspect Alex of stealing Darlene's antique ring. |||||||
| 70 | 4 | "Viki in Love" | Lee Shallat | Ray Jessel & Cynthia Thompson | October 18, 1989 (1989-10-18) | 24.4 |
| Viki believes she is in love with Charlie, but Alan believes she loves him. |||||||
| 71 | 5 | "Blunden in Love" | Howard Storm | Sy Dukane & Denise Moss | October 25, 1989 (1989-10-25) | 23.7 |
| Dennis falls for a girl (Kristine Blackburn), then later finds out that she is homeless. |||||||
| 72 | 6 | "The Bright Stuff (Part 1)" | Alan Rosen | David Hurwitz | November 1, 1989 (1989-11-01) | 24.1 |
| Arvid and Dennis' science project makes it into the NASA finals in Houston. One of the judges is Buzz Aldrin, who plays himself. |||||||
| 73 | 7 | "The Bright Stuff (Part 2)" | Alan Rosen | David Hurwitz | November 8, 1989 (1989-11-08) | 22.6 |
| Now in Texas, Arvid is having second thoughts about his project when Dennis continues hogging the spotlight. |||||||
| 74 | 8 | "Gotta Dance" | Lee Shallat | Cathy Jung | November 15, 1989 (1989-11-15) | 23.2 |
| Arvid replaces T.J. as Alex's dance partner. |||||||
| 75 | 9 | "Good Mourning" | Lee Shallat | Bill Rosenthal & Noah Taft | November 22, 1989 (1989-11-22) | 18.9 |
| Charlie teaches the class about grief when Sarah's grandmother and Arvid's dog die; T.J. tries to get Aristotle's attention. |||||||
| 76 | 10 | "Arvid Nose Best" | Alan Rosen | Bill Rosenthal | November 29, 1989 (1989-11-29) | 24.0 |
| Arvid considers having his nose surgically repaired to stop his snoring and to look better. |||||||
| 77 | 11 | "The Devil and Miss T.J." | Lee Shallat | Lesa Kite & Cindy Begel | December 6, 1989 (1989-12-06) | 19.9 |
| T.J. makes a deal with the devil (Richard Libertini) to get accepted into the IHP class. |||||||
| 78 | 12 | "Why Ronnie Can't Read" | Alan Rosen | David Hurwitz & Jeffrey Duteil | December 13, 1989 (1989-12-13) | 21.8 |
| The IHP students, especially Alex, try to help the school's star athlete (Christopher Birt) prepare for his college entrance exams. |||||||
| 79 | 13 | "The Joker Is Wild" | Buzz Sapien | Story by : Debbie Pearl & Cassandra Clark Teleplay by : Bill Rosenthal & Noah Taft | January 3, 1990 (1990-01-03) | 23.0 |
| T.J.'s first assignment as the newest member of IHP is ridiculed by Dennis, so she challenges him to a fight. |||||||
| 80 | 14 | "Tough Guys Don't Sew" | Howard Storm | Ursula Ziegler & Steven Sullivan | January 10, 1990 (1990-01-10) | 26.3 |
| Viki gets Eric to design and sew clothes for her home economics project. |||||||
| 81 | 15 | "Reel Problems" | Art Dielhenn | Shelly Goldstein | January 17, 1990 (1990-01-17) | 21.4 |
| When Arvid tries to land a girl by being deceitful. Mr. Moore tells him of the time Arvid, in trying to impress a girl, claimed to be the head of school's "film society". (This episode was originally produced during season 3. It was edited for the fourth season. Alex, T.J., Viki and Aristotle do not appear in the episode, or in the credits. They appear in the beginning and appear in the end. Janice, Maria and Jawarhalal all appear in the episode and in the credits.) |||||||
| 82 | 16 | "Alan Goes Crimson" | Howard Storm | Cindy Begel & Lesa Kite | January 24, 1990 (1990-01-24) | 23.1 |
| Alan thinks he is getting early admission to Harvard, but when he doesn't receive it he's forced to eat the boastful words he dished out to his IHP classmates. |||||||
| 83 | 17 | "From Hair to Eternity (Part 1)" | Art Dielhenn | Rich Eustis & Michael Elias | February 7, 1990 (1990-02-07) | 21.2 |
| The prudish head of the school's English department (Elaine Stritch) seems determined to ruin Charlie's class production of Hair. |||||||
| 84 | 18 | "From Hair to Eternity (Part 2)" | Art Dielhenn | Rich Eustis & Michael Elias | February 14, 1990 (1990-02-14) | 21.1 |
| The class is rehearsing for Hair and now confident for opening night, but it may not be as English teacher Mrs. Hartman (Elaine Stritch) is looking to sabotage the production by giving students extra work, which cuts into their efforts. |||||||
| 85 | 19 | "Recruitment Day" | Tony Singletary | Lisa Rosenthal | February 21, 1990 (1990-02-21) | 17.1 |
| The class worries about college recruiters. (This episode was originally produced during season 3. Alex, T.J., Viki and Aristotle do not appear in the episode, or in the credits. Janice, Maria and Jawarhalal all appear in the episode and in the credits.) |||||||
| 86 | 20 | "The Quiet Kid" | Lee Shallat | Ray Jessel & Cynthia Thompson | February 28, 1990 (1990-02-28) | 19.7 |
| A new student, Jasper (Ke Huy Quan), rejects the Academic Olympics for his own reasons. |||||||
| 87 | 21 | "Simone Goes Overboard" | Frank Cavestani | Steve Kreinberg & Andy Guerdat | March 14, 1990 (1990-03-14) | 22.1 |
| Simone agrees to date Dennis after he saves her from drowning. |||||||
| 88 | 22 | "Queen, Queen, Queen for a Day" | Bill Davis | Story by : Steven Dorfman Teleplay by : Lesa Kite & Cindy Begel | March 21, 1990 (1990-03-21) | 20.0 |
| Arvid soon regrets promising three beautiful girls his vote as queen at an upcoming dance. |||||||
| 89 | 23 | "Politics of Love" | Art Dielhenn | Jerry Davis & David Boito | April 4, 1990 (1990-04-04) | 20.4 |
| Alan dates a rich fashion model (Shari Shattuck). Charlie warns that such women can be self-absorbed, considering his boyhood crush on Rhonda Fleming. |||||||
| 90 | 24 | "The Reel Charlie Moore" | Lee Shallat | Bill Rosenthal & Noah Taft | April 11, 1990 (1990-04-11) | 16.5 |
| Aristotle tries to help Charlie's acting career. |||||||
| 91 | 25 | "Cement Hi-Tops" | Buzz Sapien | Tom Chapman & Jonathan Torp | April 25, 1990 (1990-04-25) | 17.7 |
| Aristotle videotapes a mob family wedding. |||||||
| 92 | 26 | "Teacher's Pet" | Alan Rosen | Jeffrey Duteil | May 2, 1990 (1990-05-02) | 17.5 |
| Charlie and Eric vie for a night-school teacher (Debra Sandlund). |||||||

### Season 5 (1990–91)

| No. overall | No. in season | Title | Directed by | Written by | Original release date | Viewers (millions) |
| 93 | 1 | "Where's Charlie?" | Howard Storm | Rich Eustis & Michael Elias | September 11, 1990 (1990-09-11) | 20.1 |
| Senior Year continues with the IHP students getting a new teacher, Billy MacGregor (Billy Connolly), after Charlie lands a major acting gig and leaves; Dennis and Arvid butt heads comparing Billy and Mr. Moore. |||||||
| 94 | 2 | "Twelve Angry Nerds" | Alan Rosen | Rich Eustis & Michael Elias | September 18, 1990 (1990-09-18) | 23.9 |
| When Alan is caught cheating, Billy has the class act as a jury to decide his punishment. |||||||
| 95 | 3 | "The Heartbreak Nerd" | Lee Shallat | Ursula Ziegler & Steven Sullivan | September 25, 1990 (1990-09-25) | 21.9 |
| Arvid goes out with gorgeous Viki. |||||||
| 96 | 4 | "And Then There Were None" | Frank Bonner | Michael Elias & Rich Eustis | October 2, 1990 (1990-10-02) | 21.3 |
| Arvid's infectious flu may keep the class from performing in a Shakespeare competition. |||||||
| 97 | 5 | "Getting Personal" | Alan Rosen | Danny Smith | October 9, 1990 (1990-10-09) | 27.8 |
| Billy tries the personal ads. |||||||
| 98 | 6 | "Napoleon Blown Apart" | Alan Rosen | Carol Corwen | October 16, 1990 (1990-10-16) | 23.6 |
| Inspired by his French class, Eric goes to "find himself" in Paris. |||||||
| 99 | 7 | "Billy's Big One" | Lee Shallat | Ursula Ziegler & Steven Sullivan | October 23, 1990 (1990-10-23) | 23.2 |
| After Sarah tries to diagnose Billy, he fakes a heart attack to circumvent the health insurance bureaucracy; the IHP girls try writing a romance novel. |||||||
| 100 | 8 | "Dead Men Don't Wear Pocket Protectors (Part 1)" | Lee Shallat | Andy Guerdat & Steve Kreinberg | October 30, 1990 (1990-10-30) | 21.8 |
| After Billy is robbed, he has the class write papers on gun control, leading Arvid to a harrowing experience when he buys a gun for the assignment. |||||||
| 101 | 9 | "Dead Men Don't Wear Pocket Protectors (Part 2)" | Lee Shallat | Andy Guerdat & Steve Kreinberg | November 6, 1990 (1990-11-06) | 21.8 |
| Bully Zach (Jason Kristofer) may have Arvid's missing gun. |||||||
| 102 | 10 | "Fillmore vs. Billy Jean's" | Art Dielhenn | Jeffrey Duteil | November 13, 1990 (1990-11-13) | 22.2 |
| The IHP class behaves obnoxiously when their bus breaks down at a rural truck stop and they end up having an academic debate with the locals. |||||||
| 103 | 11 | "Be My Baby ... Sitter" | Art Dielhenn | Tom Chapman & Jonathan Torp | November 20, 1990 (1990-11-20) | 23.3 |
| Jasper's overprotective parents (Tzi Ma, Denice Kumagai) hire a babysitter for him - and to his mortification, it turns out to be Sarah. |||||||
| 104 | 12 | "Dancing Fools" | Art Dielhenn | Andy Guerdat & Steve Kreinberg | November 27, 1990 (1990-11-27) | 20.9 |
| Billy, Bernadette, and Simone take dance lessons at the studio where Alex teaches and where he believes he's being pursued by an older woman (Enid Kent). |||||||
| 105 | 13 | "My Son the Primate" | Howard Storm | David Hurwitz | December 4, 1990 (1990-12-04) | 19.9 |
| Arvid trains a chimp at his part-time pet store job and rather than let it be sold, he hides it in the classroom. |||||||
| 106 | 14 | "The Importance of Being Alex" | Howard Storm | Carol Corwen | December 11, 1990 (1990-12-11) | 21.1 |
| Simone's reputation suffers when Alex lies to his friends about a romance with her. |||||||
| 107 | 15 | "Viki's Torn Genes" | Buzz Sapien | Bill Rosenthal & Noah Taft | December 18, 1990 (1990-12-18) | 21.1 |
| At Christmas, Billy helps Viki find her birth mother (Cynthia Mace), but the woman doesn't want to see her. |||||||
| 108 | 16 | "The Last Waltz" | Bill Davis | Bill Rosenthal & Noah Taft | January 8, 1991 (1991-01-08) | 22.3 |
| T.J. turns down Aristotle's invitation to the senior prom. |||||||
| 109 | 17 | "Most Likely to Be Forgotten" | Howard Storm | David Hurwitz, Ursula Ziegler & Steven Sullivan | January 15, 1991 (1991-01-15) | 20.8 |
| The kids work on their yearbook, with Eric beginning to regret not having participated more extracurricularly. |||||||
| 110 | 18 | "The Strange Case of Randy McNally" | Dwayne Hickman | Story by : Tom Chapman & Jonathan Torp Teleplay by : Jeffrey Duteil | May 28, 1991 (1991-05-28) | 14.9 |
| To save Dennis after a prank, Billy creates a fictional student - who apparently gets the MIT scholarship Dennis wanted; Alan has doubts about whether he'll measure up at Harvard. |||||||
| 111 | 19 | "My Dinner With Darlene" | Renny Temple | Danny Smith | June 4, 1991 (1991-06-04) | 15.5 |
| Darlene promises to treat the class to an elaborate farewell dinner, but then finds her credit card revoked. |||||||
| 112 | 20 | "The Phantom of the Glee Club" | Robin Sack | David Hurwitz | June 11, 1991 (1991-06-11) | 14.8 |
| The class learns T.J. is more than just a contemporary-style musician when Billy discovers her operatic talent. |||||||
| 113 | 21 | "It Couldn't Last Forever (Part 1)" | Howard Storm | Ray Jessel & Jeffrey Duteil | June 18, 1991 (1991-06-18) | 15.2 |
| With a wrecking ball ready to demolish the school, the IHP class waits to find out who is to be named valedictorian. |||||||
| 114 | 22 | "It Couldn't Last Forever (Part 2)" | Howard Storm | Ray Jessel & Jeffrey Duteil & Andy Guerdat & Steve Kreinberg | June 25, 1991 (1991-06-25) | 14.5 |
| The IHP class graduates as one of its own is named valedictorian. |||||||