The Starlost (1973)

The Ark, a massive generational colony ship, has veered off its intended path through space. Its inhabitants, descendants of the original crew and colonists, live blissfully unaware of their true circumstances. As they navigate their isolated world, they grapple with the mysteries surrounding their existence and the ship's purpose. Struggling to uncover the truth and survive against the odds, these individuals embark on a journey of discovery that challenges their understanding of identity and destiny. Secrets of the Ark await, posing questions about humanity's future among the stars.