Comment by defrost

~all is ambitious.

Dark Star is one film that directly addresses the long voyage insanity of deep space;

* https://en.wikipedia.org/wiki/Dark_Star_(film)

Similarly with sailing films, particularly documentaries, there are films that focus more on the journey than the endpoints. eg: (IIRC) the Kon-Tiki (1950) doco had a lot of mid ocean time.