When does Kate & Allie return?

Kate & Allie is an American sitcom television series that aired on CBS from March 19, 1984 to May 22, 1989. The show stars Susan Saint James as the free-spirited Kate McArdle and Jane Curtin as her more traditional childhood friend, Allie Lowell. The two decide to share a brownstone in New York City's Greenwich Village after their divorces, and raise their families together. Ari Meyers as Kate's daughter Emma, Frederick Koehler and Allison Smith as Allie's children Chip and Jennie.