Clint Eastwood's Unforgiven is one of the best revisionist Westerns of all time, and if you like it, you should check out this bloody Western from the '60s.
The animal lovers at Maymo follow a dog unimpressed by an alien invasion, barely moving while maintaining stoic hilarity amid chaos.
Dan Trachtenberg also told io9 a story he was worried he'd have to take to his grave about an early reaction to the film.