The third season of the television series Ally McBeal commenced airing in the United States on October 25, 1999, concluded on May 22, 2000, and consisted of 21 episodes. The entire season originally aired Mondays at 9pm, just like the seasons before.
A month before the premiere of the season, Fox began airing Ally, a half-hour show that consisted of re-edited scenes from the first two seasons and previously unseen footage, with the intention of making it a sitcom. 13 episodes of the show were shot, but only 10 were broadcast.
It was released on DVD as a six disc boxed set under the title of Ally McBeal: Season Three on October 7, 2002, just like the two seasons that aired before and in the U.S. on December 22, 2009.
The third season had an average rating of 12.3 million viewers in the United States and was ranked #39 on the complete ranking sheet of all the year's shows. This was the second highest rated season of Ally McBeal.
On the 52nd Primetime Emmy Awards, the show won an Emmy in the category of Outstanding Sound Mixing for a Comedy Series or a Special for the season premiere episode Car Wash.