The Season 4 finale spotlights the techniques of comedic actors, including the manic improvisations of Robin Williams and Jonathan Winters; and the prepared approach of Tina Fey. Also featured: Cloris Leachman; and Dick Van Dyke.
The story of people of color on U.S. television. Included: the mid-1960s breakthroughs of African-Americans Diahann Carroll ("Julia") and Bill Cosby ("I Spy"); and such Latino landmarks as Desi Arnaz ("I Love Lucy") and Edward James Olmos ("Miami Vice"). Also: George Takei ("Star Trek") recalls his childhood in a Japanese-American internment camp.
TV's fascination with doctors and nurses is explored. Included: Noah Wyle, Anthony Edwards, Gloria Reuben and Eriq LaSalle on "ER"; Howie Mandel, Ed Begley Jr. and Christina Pickles on "St. Elsewhere." Also: Chad Everett recalls "Medical Center."
The Season 4 premiere looks at stand-up comics who transitioned to sitcoms. Included: remarks from Jerry Seinfeld, Roseanne Barr, Tim Allen, Ray Romano and Bob Newhart; clips from "Seinfeld," "Home Improvement," "Everybody Loves Raymond" and "Roseanne."