If you loved Leonard Part 6, try Mobile Suit SD Gundam's Counterattack
A bridge between a film you've already seen and one most people haven't. Mobile Suit SD Gundam's Counterattack has roughly 4.8× fewer votes than Leonard Part 6 — 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.
What they share
Theysit in Action / Comedy / Science Fiction territory. If that's the register that drew you to Leonard Part 6, the second film will land in a comparable space — through a different lens.
What Mobile Suit SD Gundam's Counterattack is
Here we have a film that is mostly for children. The SD Gundam universe is represented in two short parodies of war and high school. It's doubtful this will be anyone's favorite Gundam entry, but it exists.

