Nevertheless, so began a period of trial and error as those responsible for bringing Rocky to life — concept artists, the visual effects team, and a group of puppeteers from Creature Shop, among others — worked towards coming up with a final look that most would be happy with.

Everything Everywhere All at Once, Mad Max: Fury Road, Back to the Future, and more make up our list of the best crowd-pleasing sci-fi movies.

We've highlighted a space opera, a monster movie, a straight-up skin flick, and more forgotten '60s sci-fi movies that deserve to be rediscovered.