ZOOM is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 educational television

Educational television

Educational television is the use of television programs in the field of distance education. It may be in the form of individual television programs or dedicated specialty channels that is often associated with cable television in the United States as Public, educational, and government access ...

 show, created almost entirely by child

Child

Biologically, a child is generally a human between the stages of birth and puberty. Some vernacular definitions of a child include the fetus, as being an unborn child. The legal definition of "child" generally refers to a minor, otherwise known as a person younger than the age of majority...

ren, which aired on PBS

Public Broadcasting Service

The Public Broadcasting Service is an American non-profit public broadcasting television network with 354 member TV stations in the United States which hold collective ownership. Its headquarters is in Arlington, Virginia....

 originally from January 3, 1972 to 1978. This was produced by WGBH-TV

WGBH-TV

WGBH-TV, channel 2, is a non-commercial educational public television station located in Boston, Massachusetts, USA. WGBH-TV is a member station of the Public Broadcasting Service , and produces more than two-thirds of PBS's national prime time television programming...

 in Boston

Boston

Boston is the capital of and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire New England region. The city proper had...

.
ZOOM encouraged child

Child

Biologically, a child is generally a human between the stages of birth and puberty. Some vernacular definitions of a child include the fetus, as being an unborn child. The legal definition of "child" generally refers to a minor, otherwise known as a person younger than the age of majority...

ren to "turn off the TV and do it!" On the show, a cast of (usually) seven kids (known as ZOOMers) present or perform various activities such as games, plays, poems, recipes, jokes, songs, movies, science experiments, and informal chats on such subjects such as hospitals, prejudice, etc., all suggested by viewer contributions.