Richard McKenzie (actor) television guest star appearance on the TV drama "Doctors' Hospital" in 1975 as Dr. Williams. Throughout the 1970s, McKenzie would make guest appearances on many television shows. His most famous guest appearances on the 70's were on the television sitcoms "Three's Company" in 1978 as Chef Anton, "All in the Family" in two episodes between 1978–1979 as Archie Bunker's younger brother Alfred "Fred" Bunker, (he would later revise this role on an episode of All in the Family ' s spinoff sitcom Archie Bunker's Place in 1982), and on two episodes of "Carter County" between 1978–1979 as Dr. Fenway. Throughout
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