For me, pretty much every single Pokemon movie. Loved everyone of those as a kid.
I'm not a huge fan of 3D animated films in America, but I did like Wreck it Ralph and Wall-e. I wish I had a little robot friend.
The Spongebob Squarepants Movie (saw that opening weekend back in 2004.......... God, I'm old......)
Back then, I was a huge collector of Spongebob Merchandise and I still have my ticket stubs from when I saw the movie.

10 years later, I find out one of my favorite Japanese music groups (Plus-tech Squeeze Box) had one song on the movie OST. By chance I found the OST at Goodwill where I shop frequently. <3