Phyllis (TV series) had higher overall ratings than "Rhoda" that season, as well as equal ratings with its parent show, "The Mary Tyler Moore Show". The stigma of the deaths of several cast members during the show's run, as well as the ill health of actress Jane Rose, are also said to have been factors in the series' cancellation. The final episode ("And Baby Makes Six") had Bess announcing that she and Mark were expecting their first child. This installment aired Sunday, March 13, 1977. The same week, on Saturday, March 19, Leachman made her last appearance as Phyllis Lindstrom on the final
Teen sitcom format to "The Wonder Years", which ended before "Boy Meets World" debuted in 1993, both of which focused on a boy dealing with the challenges that come with growing into adolescence) and "Family Matters" (which originated as a family sitcom spun off from the family-friendly though adult-centered "Perfect Strangers", but soon shifted more of its focus towards its teenage characters due to the popularity of the character of nerdy high school (and later, college) student Steve Urkel). Over time, the Big Three television networks (ABC, CBS and NBC) began shifting away from family-oriented comedies toward comedy series focused on adults