I cant remember whats disney and whats not - so i have done childrens animations 
I have found that a lot of the classic ones I loved as a child simply don’t have enough going on to hold my dc attention. They are sued to fast pace of toystory and the like and things like snow white and Cinderella just don’t cut it.
Some of the older ones that have stood the test of time here are:
Pinocchio, Peter Pan, Alice in wonderland, Lady and the tramp, Sword in the stone, the aristocats, Robin hood.
The more recent must own: Beauty and the beast, Lion king, Aladdin, Toy story (all of them!) Tarzan, Monsters inc, Lilo & Stitch, Cars (1&2), Meet the Robinsons, Bolt, Wall E, Princess and the Frog, Up, Tangled, Finding Nemo (new one out next year – eek!), The incredibles, (massively underrated!) Wreck it Ralph, Frozen, Brave, Robots, The Croods,
ICE AGE, and SHREK – get them ALL for both sets! – they are my very favourite faves