The fifth and final season of the television series Ally McBeal commenced airing in the United States on October 29, 2001, concluded on May 20, 2002, and consisted of 22 episodes.

Calista Flockhart as Ally McBeal, Greg Germann as Richard Fish, Peter MacNicol as John Cage, Jane Krakowski as Elaine Vassal, Vonda Shepard as herself, Portia de Rossi as Nelle Porter and Lucy Liu as Ling Woo all returned to the main cast.

The season arc had already been planned out, revolving around the married life of Larry and Ally, which had to be rewritten following Downey's arrest on drug charges.

[7] The new cast members introduced in the season premiere were Julianne Nicholson as Jenny Shaw, Josh Hopkins as Raymond Millbury and James Marsden as Glenn Foy.

[7] Various supporting characters from the previous seasons returned to reprise their recurring roles, including Albert Hall as Judge Seymore Walsh, John Michael Higgins as Steven Milter, and Renée Elise Goldsberry, Vatrena King and Sy Smith as the backup singers for Vonda Shepard.

Jon Bon Jovi was added to the cast mid-season as Victor Morrison, Ally's new love interest, but was written out before the finale.