Arnold is heartbroken when he finds out he will not do much growing when he gets older, so Mr.
Drummond arranges for a business associate's handicapped daughter (Melanie Watson, in her first of four appearances as Kathy) to show him how fortunate he really is.
Note: Dody Goodman makes her first appearance as Mr.
Willis' friends and Kimberly's schoolmates clash over who gets to do what in the apartment, and ruin Mr. Note: Mindy Cohn, Julie Anne Haddock, Kim Fields, and Molly Ringwald appear as their characters from The Facts of Life (Natalie, Cindy, Tootie, and Molly, respectively). Arnold wants a temporary housekeeper (Denise Nicholas) to become his, Willis', and Kimberly's new mother while Adelaide is away.
Arnold's beloved goldfish Abraham dies, so the family tries to hide it from him until they can get a replacement. When Adelaide returns early, Arnold inadvertently gives her the impression that she's being replaced permanently. Drummond is hospitalized after being hit by a drunk driver in a car crash and gets amnesia. Drummond may lose all of his assets, as well as custody of his children, so his kids try to help him get his memory back.
When Arnold becomes suspicious, and happens to notice Mr. When he starts to remember details about Kimberly and not about Willis and Arnold, they decide to leave and go back to Harlem. Drummond bribes a hard-nosed football coach (Greg Mullavey) into letting Arnold join the team by buying new uniforms for them, but he regrets his decision when he finds out how the coach is motivating the kids. Drummond doesn't want Willis to see his girlfriend Charlene because it's interfering with his schoolwork, so the two make secret arrangements to be together.
Drummond's will, he jumps to the wrong conclusion and thinks that Mr. Arnold wants to impress Tootie with his "riches" when the Drummond family goes on a trip, so he and Willis go to the bank to make a withdrawal, but the two of them along with Mr. Note: Janet Jackson makes her first appearance on the show as Charlene Du Prey.