Pioneers of Television IV:

Pioneers of Television IV: "Breaking Barriers"

Tuesday, April 29 at 8:00 p.m.

This episode traces the story of people of color on American television.

Highlights include the mid-1960s breakthroughs of African Americans Diahann Carroll (“Julia”) and Bill Cosby (“I Spy”). Latino landmarks range from “I Love Lucy” with Desi Arnaz to “Miami Vice” with Edward James Olmos. Also featured are Asian-Americans like George Takei (“Star Trek”), who details his youth spent in a Japanese internment camp.

Photo: George Takei in his iconic role as Hikaru Sulu in the original "Star Trek" series.