Season 17 (1985-1986)
Season 21 (1989-1990)
Season 22 (1990-1991)
Season 23 (1991-1992)
Season 24 (1992-1993)
Season 26 (1994-1995)
Series funding provided by: Corporation for Public Broadcasting
PBS Viewers Like You
United States Department of Education
Ford Foundation
Carnegie Corporation of New York
