When does Phyllis return?

Phyllis is an American sitcom television series that aired on CBS from September 8, 1975, to March 13, 1977. Created mainly by Ed Weinberger and Stan Daniels, it was the second spinoff of The Mary Tyler Moore Show (the first being Rhoda) It was the sixth highest-rated television series for the 1975–76 television season (at the time ranking higher than both Rhoda and All in the Family)