MGM Studios consists of five themed areas.
Major attractions are listed below.

Hollywood Boulevard

Hollywood Boulevard is lined with shops where you can buy Disney merchandise and food. This is also where the "Disney Stars and Motor Cars Parade." starts.

The Great Movie Ride, a dark ride recreating scenes and insight to several classic films and is located at the end of Hollywood Boulevard. This ride takes you back through many of the classics. Whilst in line for the ride you can see the Carousel Horse that was used by Julie Andrews in the film "Mary Poppins" amongst others. Some of the animatronics are very convincing. This ride is due to be revamped.

Echo Lake

Star Tours, a motion simulator, identical to those at Disneyland, Tokyo Disneyland, and Disneyland Paris. Indiana Jones Epic Stunt Spectacular!, a live-action performance showing how movie stunts are done. It is an audience participation show. The show re-enacts various scenes from the movie Raiders of the Lost Ark.
Sounds Dangerous, a show following Drew Carey as an undercover detective when his video camera fails and the audience is left in the dark wearing earphones, following his adventure through sound cues. Caution: it is very dark on this show.

Streets of America

Jim Henson's MuppetVision 3D, a 3-D movie experience similar to Epcot's "Honey, I Shrunk The Audience" Actually it’s 4D now and is great fun for all.
 
Lights, Motors, Action! Extreme Stunt Show, a car & motorcycle stunt show. Quite new to the park. Well worth watching though a little long. See how some of the movie tricks are done. Also Herbie (The Love Bug) makes an appearance.
Meet the Power Rangers from five generations: Wild Force, Ninja Storm, Dino Thunder, S.P.D. and the newest series Mystic Force. making appearances throughout the day.

Mickey Avenue

The Disney-MGM Studios Back lot Tour, showing how movie special effects are done. Guests see a movie scene set on the Special Effects Water Tank filmed using volunteers from the audience and various special effects. The audience sees this final sequence edited all together in an action sequence called "Harbour Attack" This lasts around 10 - 15 minutes and afterwards, guests board trams and are taken through Catastrophe Canyon, to see fire and water effects and are driven past movie props such as the tram from "Who framed Roger Rabbit?"
Walt Disney: One Man's Dream, this is a museum-like walk through attraction that explores the life of Walt Disney and his legacy through photos, models, rare artefacts and a short film narrated by Walt Disney himself.
Journey Into Narnia: Creating the Lion, the Witch and the Wardrobe, a walk through interactive attraction featuring props from the movie and an appearance from the White Witch.

Animation Courtyard

Voyage of The Little Mermaid, a live performance using puppets, lasers, movies, human actors, and water (mist). The show recreates the animated Little Mermaid movie, in a shortened show. This is always very popular and it is advisable to get a fast pass.
The Magic of Disney Animation, a short presentation showing how animated films are made.
Playhouse Disney Live on Stage!, a live performance featuring Disney children's television characters.

Sunset Boulevard

Beauty and the Beast Live on Stage, a simplified version of the film
Rock 'n' Roller Coaster Starring Aerosmith, an indoor roller coaster in the dark with three inversions and a high-speed launch absolutely exhilarating!!
The Twilight Zone Tower of Terror, a thrill ride which drops guests in an elevator in a randomised set of 4 sequences each involving multiple high speed drops and ascents. In addition, special effects including smell, lighting and sound enhance the thrill. Not to be missed!!
Fantasmic!, a night time show with characters and fireworks held in the specifically built Hollywood Hills Amphitheatre off Sunset Boulevard

Each year, Star Wars Weekends bring Star Wars fans and celebrities for special park events. Star Wars Weekends are generally held for five consecutive weekends (including Fridays) through late May and early June; they feature the 501st (a worldwide Star Wars costuming group) parading through the park in Storm trooper costumes, a "Star Wars Edition" of the "Who Wants To Be A Millionaire: Play It!" game where the game begins with Greedo answering questions and a Gamorrean Guard in the audience cheering him on, two (or more) Star Wars actors appearing each weekend for photos and autographs, Jedi Lightsaber Training classes for kids, and other assorted events.
 
Every Christmas season, Disney-MGM Studios features the "Osborne Family Spectacle of Lights", with five million Christmas lights on more than 350 miles of wire.

More info can be found on the Perfect Florida Villas forums or The Perfect Florida Guide