Complex sentence: Butler, who portrayed Almanzo Wilder on the "Little House on the Prairie" television series from 1979 to 1983, directed and narrated the documentary, which was released on DVD in February, 2015.
Split into simpler sentences: Butler, who portrayed Almanzo Wilder on the "Little House on the Prairie" television series from 1979 to 1983, directed and narrated the documentary. The documentary was released on DVD in February, 2015.