The series stars Gary Coleman and Todd Bridges as Arnold and Willis Jackson, two African American boys from Harlem who are taken in by a rich white Park Avenue businessman named Phillip Drummond and his daughter Kimberly, for whom their deceased mother previously worked. During the first season and first half of the second season, Charlotte Rae also starred as the Drummonds' housekeeper, Mrs. Garrett.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Movin' In | 1978-11-03 | 30 min |
| Season 1 | Episode 2 | The Social Worker | 1978-11-10 | 30 min |
| Season 1 | Episode 3 | Mother's Last Visit | 1978-11-17 | 30 min |
| Season 1 | Episode 4 | Prep School | 1978-11-24 | 30 min |
| Season 1 | Episode 5 | The Spanking | 1978-12-01 | 30 min |
| Season 1 | Episode 6 | Goodbye Dolly | 1978-12-08 | 30 min |
| Season 1 | Episode 7 | The Trial | 1978-12-15 | 30 min |
| Season 1 | Episode 8 | Retrospective - Part 1 | 1978-12-29 | 30 min |
| Season 1 | Episode 9 | Retrospective - Part 2 | 1978-12-29 | 30 min |
| Season 1 | Episode 10 | The Fight | 1979-01-05 | 30 min |
| Season 1 | Episode 11 | The Club Meeting | 1979-01-12 | 30 min |
| Season 1 | Episode 12 | The Woman | 1979-01-19 | 30 min |
| Season 1 | Episode 13 | No Time for Arnold | 1979-01-26 | 30 min |
| Season 1 | Episode 14 | The Relative | 1979-02-02 | 30 min |
| Season 1 | Episode 15 | The Tutor | 1979-02-09 | 30 min |
| Season 1 | Episode 16 | The New Landlord | 1979-02-16 | 30 min |
| Season 1 | Episode 17 | Willis' Privacy | 1979-02-23 | 30 min |
| Season 1 | Episode 18 | Mrs. Garrett's Crisis | 1979-03-02 | 30 min |
| Season 1 | Episode 19 | The Job | 1979-03-16 | 30 min |
| Season 1 | Episode 20 | The Trip - Part 1 | 1979-03-30 | 30 min |
| Season 1 | Episode 21 | The Trip - Part 2 | 1979-03-30 | 30 min |
| Season 1 | Episode 22 | Getting Involved | 1979-04-06 | 30 min |
| Season 1 | Episode 23 | Willis's Birthday | 1979-04-13 | 30 min |
| Season 1 | Episode 24 | The Girls' School | 1979-05-04 | 30 min |
| Season 2 | Episode 1 | Arnold's Girlfriend - Part 1 | 1979-09-21 | 30 min |
| Season 2 | Episode 2 | Arnold's Girlfriend - Part 2 | 1979-09-21 | 30 min |
| Season 2 | Episode 3 | Feudin' and Fussin' - Part 1 | 1979-09-28 | 30 min |
| Season 2 | Episode 4 | Feudin' and Fussin' - Part 2 | 1979-09-28 | 30 min |
| Season 2 | Episode 5 | Mrs. Garrett's Romance | 1979-10-12 | 30 min |
| Season 2 | Episode 6 | Birds and Bees | 1979-10-19 | 30 min |
| Season 2 | Episode 7 | Arnold's Hero (a.k.a.) The Hero | 1979-10-24 | 30 min |
| Season 2 | Episode 8 | The Adoption - Part 1 | 1979-10-31 | 30 min |
| Season 2 | Episode 9 | The Adoption - Part 2 | 1979-11-07 | 30 min |
| Season 2 | Episode 10 | Father and Son Day | 1979-11-14 | 30 min |
| Season 2 | Episode 11 | Thanksgiving Crossover - Part 1 | 1979-11-28 | 30 min |
| Season 2 | Episode 12 | Thanksgiving Crossover - Part 2 | 1979-11-28 | 30 min |
| Season 2 | Episode 13 | The Rivals | 1979-12-05 | 30 min |
| Season 2 | Episode 14 | Hot Watch | 1979-12-12 | 30 min |
| Season 2 | Episode 15 | The Dog Story (a.k.a.) A Dog Story | 1979-12-19 | 30 min |
| Season 2 | Episode 16 | The Election | 1980-01-09 | 30 min |
| Season 2 | Episode 17 | Friendly-Mate | 1980-01-16 | 30 min |
| Season 2 | Episode 18 | Poor Drummond | 1980-01-23 | 30 min |
| Season 2 | Episode 19 | Big Business | 1980-01-30 | 30 min |
| Season 2 | Episode 20 | Return of the Gooch | 1980-02-06 | 30 min |
| Season 2 | Episode 21 | Valentine's Day Retrospective (a.k.a.) Valentine's Vigil | 1980-02-13 | 30 min |
| Season 2 | Episode 22 | Skin Deep or True Blue (a.k.a.) Guess Who? | 1980-02-20 | 30 min |
| Season 2 | Episode 23 | Teacher's Pet | 1980-02-27 | 30 min |
| Season 2 | Episode 24 | The Slumber Party | 1980-03-12 | 30 min |
| Season 2 | Episode 25 | Arnold Faces Fatality (a.k.a.) The Will (a.k.a.) Drummond's Will | 1980-03-19 | 30 min |
| Season 2 | Episode 26 | The Squealer | 1980-03-26 | 30 min |
| Season 3 | Episode 1 | The Bank Job - Part 1 | 1980-11-12 | 30 min |
| Season 3 | Episode 2 | The Bank Job - Part 2 | 1980-11-12 | 30 min |
| Season 3 | Episode 3 | Small Claims Court | 1980-11-19 | 30 min |
| Season 3 | Episode 4 | Substitute Mother | 1980-11-26 | 30 min |
| Season 3 | Episode 5 | The Accident - Part 1 | 1980-12-03 | 30 min |
| Season 3 | Episode 6 | The Accident - Part 2 | 1980-12-03 | 30 min |
| Season 3 | Episode 7 | Little Mother | 1980-12-10 | 30 min |
| Season 3 | Episode 8 | Football Father | 1980-12-17 | 30 min |
| Season 3 | Episode 9 | First Love | 1980-12-31 | 30 min |
| Season 3 | Episode 10 | Count Your Blessings | 1981-01-07 | 30 min |
| Season 3 | Episode 11 | The Loan | 1981-01-14 | 30 min |
| Season 3 | Episode 12 | Roots | 1981-01-21 | 30 min |
| Season 3 | Episode 13 | Junk Food Junkie (a.k.a.) Junk Food | 1981-01-28 | 30 min |
| Season 3 | Episode 14 | The Bus | 1981-02-04 | 30 min |
| Season 3 | Episode 15 | The Older Man | 1981-02-25 | 30 min |
| Season 3 | Episode 16 | Where There's Hope | 1981-03-04 | 30 min |
| Season 3 | Episode 17 | The Magician (a.k.a.) It's Magic | 1981-03-11 | 30 min |
| Season 3 | Episode 18 | Drummond's Fair Lady | 1981-03-18 | 30 min |
| Season 3 | Episode 19 | The Ancestors | 1981-03-25 | 30 min |
| Season 3 | Episode 20 | Almost American | 1981-04-01 | 30 min |
| Season 3 | Episode 21 | Room for One More | 1981-05-06 | 30 min |
| Season 3 | Episode 22 | The Athlete | 1981-05-13 | 30 min |
| Season 4 | Episode 1 | Growing Up | 1981-10-29 | 30 min |
| Season 4 | Episode 2 | First Day Blues | 1981-11-05 | 30 min |
| Season 4 | Episode 3 | The Model | 1981-11-12 | 30 min |
| Season 4 | Episode 4 | The Team | 1981-11-19 | 30 min |
| Season 4 | Episode 5 | The Big Heist | 1981-11-26 | 30 min |
| Season 4 | Episode 6 | Double Date (a.k.a.) Blind Date | 1981-12-03 | 30 min |
| Season 4 | Episode 7 | The Ski Weekend | 1981-12-10 | 30 min |
| Season 4 | Episode 8 | Health Club | 1981-12-17 | 30 min |
| Season 4 | Episode 9 | Burial Ground | 1982-01-07 | 30 min |
| Season 4 | Episode 10 | Hello, Daddy | 1982-01-14 | 30 min |
| Season 4 | Episode 11 | Jilted | 1982-01-21 | 30 min |
| Season 4 | Episode 12 | Dreams | 1982-01-28 | 30 min |
| Season 4 | Episode 13 | Kathy | 1982-02-04 | 30 min |
| Season 4 | Episode 14 | Fire | 1982-02-11 | 30 min |
| Season 4 | Episode 15 | The Squatter | 1982-02-18 | 30 min |
| Season 4 | Episode 16 | The Car | 1982-02-25 | 30 min |
| Season 4 | Episode 17 | Crime Story (Part 1) (a.k.a.) Crime in the Schools | 1982-03-11 | 30 min |
| Season 4 | Episode 18 | Crime Story (Part 2) (a.k.a.) Crime in the Schools | 1982-03-18 | 30 min |
| Season 4 | Episode 19 | B.M.O.C. | 1982-03-25 | 30 min |
| Season 4 | Episode 20 | Green Hair | 1982-04-01 | 30 min |
| Season 4 | Episode 21 | Have I Got a Girl for You | 1982-04-08 | 30 min |
| Season 4 | Episode 22 | Lifesavers | 1982-04-15 | 30 min |
| Season 4 | Episode 23 | Stress? What Stress? | 1982-04-22 | 30 min |
| Season 4 | Episode 24 | The Music Man | 1982-05-06 | 30 min |
| Season 4 | Episode 25 | Short But Sweet | 1982-05-13 | 30 min |
| Season 4 | Episode 26 | On Your Toes | 1982-05-20 | 30 min |
| Season 5 | Episode 1 | Shoot-Out at the O.K. Arcade | 1982-10-02 | 30 min |
| Season 5 | Episode 2 | In the Swim | 1982-10-09 | 30 min |
| Season 5 | Episode 3 | Cyrano De Jackson | 1982-10-16 | 30 min |
| Season 5 | Episode 4 | Big Brother | 1982-10-23 | 30 min |
| Season 5 | Episode 5 | The Peacemaker | 1982-10-30 | 30 min |
| Season 5 | Episode 6 | Substitute Teacher | 1982-11-06 | 30 min |
| Season 5 | Episode 7 | The Older Woman | 1982-11-13 | 30 min |
| Season 5 | Episode 8 | A Case of Overexposure (a.k.a.) Overexposure | 1982-11-20 | 30 min |
| Season 5 | Episode 9 | Memories | 1982-11-27 | 30 min |
| Season 5 | Episode 10 | Push Comes to Shove | 1982-12-04 | 30 min |
| Season 5 | Episode 11 | The Executives | 1982-12-11 | 30 min |
| Season 5 | Episode 12 | Santa's Helper | 1982-12-18 | 30 min |
| Season 5 | Episode 13 | A Growing Problem | 1983-01-08 | 30 min |
| Season 5 | Episode 14 | Parents Have Rights, Too | 1983-01-15 | 30 min |
| Season 5 | Episode 15 | Independent Woman | 1983-01-22 | 30 min |
| Season 5 | Episode 16 | The Bicycle Man (1) | 1983-02-05 | 30 min |
| Season 5 | Episode 17 | The Bicycle Man (2) | 1983-02-12 | 30 min |
| Season 5 | Episode 18 | Family on Ice | 1983-02-19 | 30 min |
| Season 5 | Episode 19 | Hall Monitor | 1983-02-26 | 30 min |
| Season 5 | Episode 20 | The Cricket | 1983-03-05 | 30 min |
| Season 5 | Episode 21 | Roommates | 1983-03-12 | 30 min |
| Season 5 | Episode 22 | The Reporter | 1983-03-19 | 30 min |
| Season 5 | Episode 23 | Romeo and Juliet | 1983-04-30 | 30 min |
| Season 5 | Episode 24 | My Fair Larry (a.k.a.) My Fair Lady | 1983-05-07 | 30 min |
| Season 6 | Episode 1 | Mr. T....and Mr. t | 1983-10-01 | 30 min |
| Season 6 | Episode 2 | The Goat | 1983-10-15 | 30 min |
| Season 6 | Episode 3 | Rashomon II | 1983-10-22 | 30 min |
| Season 6 | Episode 4 | The Lie | 1983-10-29 | 30 min |
| Season 6 | Episode 5 | Drafted | 1983-11-12 | 30 min |
| Season 6 | Episode 6 | The Van Drummonds | 1983-11-19 | 30 min |
| Season 6 | Episode 7 | The Moonlighter | 1983-11-26 | 30 min |
| Season 6 | Episode 8 | Coming of Age | 1983-12-03 | 30 min |
| Season 6 | Episode 9 | Assert Yourself | 1983-12-10 | 30 min |
| Season 6 | Episode 10 | Mrs. Z | 1983-12-17 | 30 min |
| Season 6 | Episode 11 | The Senior Class Queen | 1984-01-07 | 30 min |
| Season 6 | Episode 12 | Where There's Smoke | 1984-01-14 | 30 min |
| Season 6 | Episode 13 | Drummond's Lady | 1984-01-21 | 30 min |
| Season 6 | Episode 14 | The Hitchhikers (1) (a.k.a.) Hitchhiking (1) | 1984-01-28 | 30 min |
| Season 6 | Episode 15 | The Hitchhikers (2) (a.k.a.) Hitchhiking (2) | 1984-02-04 | 30 min |
| Season 6 | Episode 16 | Hooray for Hollywood (1) | 1984-02-11 | 30 min |
| Season 6 | Episode 17 | Hooray for Hollywood (2) | 1984-02-18 | 30 min |
| Season 6 | Episode 18 | The Wedding (1) | 1984-02-25 | 30 min |
| Season 6 | Episode 19 | The Wedding (2) | 1984-02-25 | 30 min |
| Season 6 | Episode 20 | The Honeymoon's Over | 1984-03-03 | 30 min |
| Season 6 | Episode 21 | The Bar Mitzvah Boy | 1984-03-17 | 30 min |
| Season 6 | Episode 22 | Kathy's Olympics | 1984-03-24 | 30 min |
| Season 6 | Episode 23 | The Houseguest | 1984-05-05 | 30 min |
| Season 6 | Episode 24 | The Boyfriend | 1984-05-12 | 30 min |
| Season 7 | Episode 1 | A Haunting We Will Go | 1984-09-29 | 30 min |
| Season 7 | Episode 2 | Arnold and Lisa's Mother | 1984-10-06 | 30 min |
| Season 7 | Episode 3 | Bed-Wetting | 1984-10-13 | 30 min |
| Season 7 | Episode 4 | Undercover Lover | 1984-10-20 | 30 min |
| Season 7 | Episode 5 | Arnold's Strike | 1984-10-27 | 30 min |
| Season 7 | Episode 6 | Sam's Father | 1984-11-03 | 30 min |
| Season 7 | Episode 7 | Carmella Meets the Gooch | 1984-11-10 | 30 min |
| Season 7 | Episode 8 | Arnold the Entrepreneur | 1984-11-17 | 30 min |
| Season 7 | Episode 9 | The Honorable Arnold J. Jackson | 1984-11-24 | 30 min |
| Season 7 | Episode 10 | The Gymnasts | 1984-12-01 | 30 min |
| Season 7 | Episode 11 | Tonsils | 1984-12-08 | 30 min |
| Season 7 | Episode 12 | Arnold's Songbird | 1984-12-15 | 30 min |
| Season 7 | Episode 13 | Baseball Blues | 1985-01-05 | 30 min |
| Season 7 | Episode 14 | Arnold Saves the Squirrel | 1985-01-12 | 30 min |
| Season 7 | Episode 15 | Sam Adopts a Grandparent | 1985-01-19 | 30 min |
| Season 7 | Episode 16 | Happy Birthday Drummond | 1985-01-26 | 30 min |
| Season 7 | Episode 17 | Sam's New Pal | 1985-02-02 | 30 min |
| Season 7 | Episode 18 | Russian Embassy | 1985-02-09 | 30 min |
| Season 7 | Episode 19 | Cheers to Arnold | 1985-02-16 | 30 min |
| Season 7 | Episode 20 | A Camping We Will Go | 1985-02-23 | 30 min |
| Season 7 | Episode 21 | Beauty is in the Eye of Arnold | 1985-03-02 | 30 min |
| Season 7 | Episode 22 | Blue Collar Drummond | 1985-03-09 | 30 min |
| Season 7 | Episode 23 | Street Smarts | 1985-03-23 | 30 min |
| Season 7 | Episode 24 | A Special Friend | 1985-05-04 | 30 min |
| Season 8 | Episode 1 | Sam's Missing - Part 1 | 1985-09-27 | 30 min |
| Season 8 | Episode 2 | Sam's Missing - Part 2 | 1985-09-27 | 30 min |
| Season 8 | Episode 3 | Bully for Arnold | 1985-10-04 | 30 min |
| Season 8 | Episode 4 | Love on the Run | 1985-10-11 | 30 min |
| Season 8 | Episode 5 | Willis Goes to College | 1985-10-18 | 30 min |
| Season 8 | Episode 6 | Arnold's Job | 1985-10-25 | 30 min |
| Season 8 | Episode 7 | A Tale of Two Teachers | 1985-11-08 | 30 min |
| Season 8 | Episode 8 | So You Want to Be a Rock Star | 1985-11-15 | 30 min |
| Season 8 | Episode 9 | Speak No Evil | 1985-11-29 | 30 min |
| Season 8 | Episode 10 | Arnold's Bad Rep | 1985-12-06 | 30 min |
| Season 8 | Episode 11 | It's My Party and I'll Cry If I Want To | 1985-12-13 | 30 min |
| Season 8 | Episode 12 | Arnold's Initiation | 1986-01-10 | 30 min |
| Season 8 | Episode 13 | Bulimia | 1986-01-17 | 30 min |
| Season 8 | Episode 14 | Sam's Big Brother | 1986-01-24 | 30 min |
| Season 8 | Episode 15 | Arnold's Tangled Web | 1986-01-31 | 30 min |
| Season 8 | Episode 16 | Lifestyles of the Poor and Unknown | 1986-02-07 | 30 min |
| Season 8 | Episode 17 | The Big Bribe | 1986-02-21 | 30 min |
| Season 8 | Episode 18 | The Photo Club | 1986-02-28 | 30 min |
| Season 8 | Episode 19 | The Front Page | 1986-03-07 | 30 min |
| Production | Blake Hunter | Producer |
