If you loved Police Academy 3: Back in Training, try Police Academy 6: City Under Siege
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
You already loved

Police Academy 3: Back in Training
→
Try this next

Police Academy 6: City Under Siege
What they share
Theyboth carry the comfort cult, playful mood tags, and they sit in Comedy / Crime territory. If that's the register that drew you to Police Academy 3: Back in Training, the second film will land in a comparable space — through a different lens.
comfort cultplayful
What Police Academy 6: City Under Siege is
A sixth installment in the series attempts to recapture the magic. A criminal gang is terrorizing the city, so the Police Academy's finest are called in to stop them. It's a noble effort to keep the franchise alive, at least.