Aired: 1984-85 
DAD: Art Foster (Donnelly Rhodes) / Widower 
DAD’S JOB: Dance Studio Owner
KIDS: Kate Foster (Jean Sagal), Allison Foster (Liz Sagal) (17)
WHERE’S MOM?: Dead
STAND-IN "MOM": Beth McConnell (Patricia Richardson) / Dance Instructor
The Patty Duke Show without all the special effects. Kate and Allie (you tell ME where they got the names — the eponymous CBS show appeared a month before this show first aired) were teen twin daughters of Art Foster (played by Donnelly Rhodes, whom most people remember as Dutch, Chester’s escaped ex-con pal in Soap), living in Des Moines, Iowa. The plotlines almost exactly matched Ms. Duke’s show of two decades previous, with Allison being the Cathy Lane role (quiet, studious) and Kate being the Patty role (rambunctious little bundle of Trouble Waiting to Happen). And they did the old Kate-pretends-she’s-Allie bit. Zzzzzz.
Cool trivia on this show is that the twins were the real-life sisters of a famous TV Mom of the late 80’s and 90’s: Katie Sagal, who achieved her fame as Peg on Married With Children. Of course the other famous Mom icon in this cast is Patricia Richardson, who played Mrs. Tim Taylor on Home Improvement in the 90’s.