Arnold suffers from appendicitis, and Drummond finds himself navigating the prejudices of Fred Tanner, a prospective investor in the housing project. The key to ensuring Arnold's cooperation during the operation rests with Tanner’s daughter…

Arnold’s situation becomes perilous when the children discover they cannot share a hospital room and, in a desperate act, flee the night before his operation.

Arnold’s earnest recommendation of Larry Alder’s hosting abilities to a powerful figure in New York television presented Larry with an unparalleled opportunity, drawing the family to the city. However, Larry’s audition for the New York talk…

Arnold’s earnest recommendation of Larry Alder’s hosting abilities to a powerful figure in New York television presented Larry with an unparalleled opportunity, drawing the family to the city. However, Larry’s audition for the New York talk…

A quiet curiosity first stirred within the Drummond household regarding Mrs. Garrett’s new companion, a feeling that soon deepened into surprise, then into something approaching alarm. Mrs. Garrett herself was quite flustered at the prospec…

The skewed truths Willis offers about life’s realities leave Arnold with misunderstandings and Mr. Drummond in a precarious position. Arnold shares this flawed understanding with a neighbor’s daughter, only to find the girl’s mother deeply …

Arnold’s most fervent wish comes within reach when he finds himself in close proximity to “The Champ,” the legendary Muhammad Ali. A planned encounter between Arnold and his hero, orchestrated by Mr. Drummond, unexpectedly falls apart. Unde…

The Drummond family prepares for the official adoption of Arnold and Willis, their plans threatened by the unexpected arrival of a visiting relative. In this episode, Whitman Mayo appears as Jethro Simpson, a character who finds a path from…

Mr. Drummond’s plans to adopt Arnold and Willis are thwarted by a calculating junk dealer, until the boys decide to act independently. Whitman Mayo appears as Jethro Simpson, a “long-lost relative” who arrives with a letter purportedly penn…

Willis’s relentless competitiveness with a fellow gym-goer pushes him toward a choice he will deeply regret, particularly after it harms Mr. Drummond and provides Arnold with the satisfaction of a prophetic “I told you so.” Baseball legend …

The Alders and Drummonds reunite in New York, and Arnold, Willis, and Kimberly arrange a second Thanksgiving gathering with friends Diane and Ruthie. Yet, even the expansive Drummond penthouse proves inadequate for the simmering tensions th…

The Alders and the Drummonds reunite in New York, and Arnold, Willis, and Kimberly arrange a second Thanksgiving gathering with friends Diane and Ruthie. However, even the expansive Drummond penthouse proves inadequate to contain the escala…

The delicate balance of Arnold and Willis’s friendship frays when a flighty girl, the very one Arnold adores, begins to favor Willis’s company. For Arnold, this unwelcome shift in affection becomes a painful introduction to jealousy, a shar…

Willis and Arnold, unfortunate to be present when their neighbor's apartment was burglarized, quickly find themselves at the center of suspicion. The discovery of one of the stolen items in their possession casts a long shadow, branding the…

Arnold’s act of kindness toward a dog resulted in a painful bite, and soon after, the creature he’d saved became the very thing that offered his only hope. Within the Drummond household, a frantic search commenced for the ungrateful animal,…

Drummond stakes his principles on a bid for city council, and he finds support in Arnold, Willis, Kimberly, and a surprising newcomer to the home. Nedra Volz portrays Adelaide Brubaker, the petite yet spirited housekeeper who assists Drummo…

Drummond finds himself in a predicament when Willis and Arnold resolve to find him a date. A touch lonely, he confides in the boys that he craves a little company, prompting them to seek assistance from an online dating service.

The weight of a vital business transaction keeps Mr. Drummond perpetually anxious, while Arnold and Willis find themselves adrift in uncertainty, contemplating a trip to California or a return to Harlem.

Willis and Arnold hatched a plan to supplement their income by selling brownies, but soon found themselves overwhelmed by the demands of the venture and contemplating a retreat from the baking business.

The unwelcome presence of Gooch has returned, and once again he turns his attention to Arnold, though this time the boy is prepared for the onslaught. Willis, working to bolster Arnold’s self-assurance, assures him that his martial arts tra…

Confined to the basement, Arnold and Willis pass the time with recollections, revisiting moments from their recent history – both joyful and fraught. Arnold remains adamant that he must wear his Superman costume to the family's Valentine's …

Roger, Kimberly’s latest companion, proposed a double date: his sister with Willis. The suggestion lingered until he learned the color of the man his beloved’s brother was. When Kimberly realized her new acquaintance harbored prejudice, a f…

The school's parent-teacher night proved a turning point for Mr. Drummond, blossoming into an unexpected romance with Arnold’s teacher. Meanwhile, young Arnold found himself the object of envious glances from his peers. Desperate to regain …

Mr. Drummond quickly finds himself regretting his decision to leave Willis in charge of the house for Kimberly’s slumber party, as the resulting pandemonium throws his own date with a charming woman into disarray. Guest appearances are made…

A growing unease settles over Arnold, a feeling that those closest to him are slowly withdrawing. This sense of detachment intensifies when he discovers Drummond’s will, and is further compounded by the news that his goldfish has died.

Within the ranks of the Tarantulas, a street gang, Willis yearned for connection, yet discovered only betrayal. He became entangled in a complex network of shifting allegiances. Faced with the choice of protecting his comrades through false…