Aladdin is a 45 minute musical recreating highlights from the 1992 animated feature. The show opened at the Hyperion Theater in Disney California Adventure in January 2003 and includes a new song by Alan Menken, "To Be Free". One of the most popular aspects of the show is, of course, the wise-cracking Genie whose dialogue changes to reflect current pop culture and events.
On September 9th 2015, Disney announced that Aladdin will close on January 10th, 2016. The show will be replaced by a Frozen musical.
Aladdin is, without question, one of the most entertaining (and wonderfully staged) shows I've seen at a Disney park and definitely bears up to repeat viewing. The photos below are from two separate performances in April 2013.
UPDATE: Photos added from November 2015..