There are so many shows...most of them are "must-sees"...LoL. Without going into too much detail, here is a quick summary:
- Magic Kingdom
PhilharMagic - I haven't been able to see this one yet but I've heard great things about it. From what I understand, it's a 3-D show similar to Honey, I Shrunk the Audience and It's Tough to be A Bug. It's in the theater that was home to the Lion King show a few years back. It follows Donald from story to story (Aladdin, Peter Pan, Little Mermaid, etc) as he tries to get Mickey's sorcer hat.
- Epcot
Illuminations - This is the nighttime laser light/fireworks show at Epcot. I wasn't expecting much when I saw it but had heard it was good so we stayed and watched it and it was GREAT! The fireworks, lights, and music is terrific.
- MGM
Fantasmic - This show is held in a huge stadium usually once or twice a night (depending on the time of the year). It involves Mickey battling all of the Disney villians. They have "water screens" on which images are projected, as well as live characters. You have to get into the stadium very early to get yourself a good seat...it gets rather crowded and hard to move through the people if you don't get there early enough.
Those are the 3 you asked about...there are many others. Wishes is the new fireworks show at Magic Kingdom. Haven't seen it yet but many on these boards have said it is realy good There are also parades at all of the parks and shows like Tarzan Rocks! & Festival of the Lion King at Animal Kingdom that are good as well. Just make sure you grab guidemaps at the entrance to the parks or in your hotel if you stay on Disney property. They tell you pretty much everything.
