Oh this is so hard to choose.
US
Favorite: Mummy, MIB
Least: Simpsons, Rip Ride Rocket
IOA
Favorite: FJ - top of the list
Everything else is a tie. I think I pretty much love it all. Poseidon's Fury, Bilge Rats in the summer. The Mystic Fountain, All of Seuss land, Spider-Man, and Storm Force.
Least: Hate Sinbad