I hope I got all of the steps. This was a fun challenge with a great PP.
If I missed anything - in this order of preference.
a - Classic Characters (Dumbo, Pinocchio, Tinkerbell, Jiminey Cricket, Figment)
b - Fab Five (Mickey, Minnie, Goofy, Donald, Pluto)
c - Pixar Pals (Incredibles, Mike, Sully, Boo, Nemo)
d - Pooh Corner (Pooh, Piglet, Eeyore, Tigger)
e - Pretty as a Princess (Ariel, Aurora, Belle, Snow White)
f - Wonder Land (Alice, White Rabbit, Mad Hatter, Tweedle Dee/Tweedle Dumb, Cheshire Cat)
g - You've Got a Friend (Buzz, Woody, Alien, Lotso)