W2TCH

Lost in Space (1965 – 1968)

1965 • 3 seasons • Comedy, Sci-Fi & Fantasy • TV-PG
IMDb7.3/109,986TMDB72%127Rotten Tomatoes—Metacritic—
On September 25, 2026
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Season 1

Lost in Space · S1E27 — The Lost Civilization

Apr 13, 1966 · 51 min · 6.0 (4 votes)

Synopsis

While charting the unexplored regions of the planet, the Robinsons stumbled upon a hidden civilization dwelling beneath the surface. Will inadvertently roused a slumbering princess, who now desires that he stay and share her throne.