Ark II (TV Series 1976–1979) - IMDb

Ark II: Criado por Martin Roth. Com Terry Lester, Jean Marie Hon, José Flores, Moochie. Three young scientists travel around the country in the 25th century after the world has been ravaged by pollution. In their hi-tech RV (called Ark II), they study the land and help out those in need.

Ark II (TV Series 1976–1979) - “Cast” credits - IMDb

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Brubaker Box 'Ark Roamer' in Ark II, 1976-1979

Ark II (TV Series 1976-1976) — The Movie Database (TMDB)