If you loved The Man Who Killed Hitler and Then the Bigfoot, try The Relative Worlds
A bridge between a film you've already seen and one most people haven't. The Relative Worlds has roughly 7.3× fewer votes than The Man Who Killed Hitler and Then the Bigfoot — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.

The Man Who Killed Hitler and Then the Bigfoot

The Relative Worlds
What they share
Theyboth carry the bittersweet, outsider mood tags, and they sit in Drama / Fantasy / Science Fiction territory. If that's the register that drew you to The Man Who Killed Hitler and Then the Bigfoot, the second film will land in a comparable space — through a different lens.
What The Relative Worlds is
High school mopes get an inter-dimensional upgrade when a parallel Shin drops into their lives just as they’re about to graduate. Kotori must now babysit two identical boys while Shin recovers from jet lag from a reality hop. The universe waves goodbye by dumping emotional baggage on everyone.