If you loved Buzz Lightyear of Star Command: The Adventure Begins, try Pikachu & Pichu
A bridge between a film you've already seen and one most people haven't. Pikachu & Pichu has roughly 8.9× fewer votes than Buzz Lightyear of Star Command: The Adventure Begins — 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.

Buzz Lightyear of Star Command: The Adventure Begins

Pikachu & Pichu
What they share
Theyboth carry the playful mood tag, and they sit in Adventure / Animation / Family territory. If that's the register that drew you to Buzz Lightyear of Star Command: The Adventure Begins, the second film will land in a comparable space — through a different lens.
What Pikachu & Pichu is
Two tiny troublemakers inherit a very large problem when Pikachu vanishes in the city. Their frantic search descends into slapstick rescues and collateral chaos. The film thrives on chaos, not subtlety.