Southwestern Regional cooks compete; judges are David Rosengarten and Skitch Henderson.

Midwestern Regional cooks compete; judges are Michel Nischan and George Wallace.

Western Regional cooks compete; judges are Lidia Bastianich and Robin Leach.

Northeastern Regional cooks compete; judges are Madhur Jaffrey and Carolyn O'Neil.

Northwestern Regional cooks compete; judges are Thierry Rautureau and Claudia Cohen.

Southeastern Regional cooks compete; judges are Nathalie Dupree and Colman Andrews.

The second set of Western Regional cooks compete; judges are Molly O'Neill and Vincent Schiavelli.

The second set of Midwestern Regional cooks compete; judges are Stephan Pyles and George Wallace.

The last group of Northeastern Regional cooks compete; judges are Chef Jacques Torres and Jock Soto.

In the first semi-final round, Northwest, West and Northeast Regional winners compete; judges are Sissy Biggers and Kit Skarstrom.

In the second semi-final round, Midwestern and Western regional winners compete; judges are Sheila Lukins and Claudia Cohen.

In the last semi-final round, Southern, Southeastern and Northeastern regional winners compete; judges are Joan Nathan and Tanya Wenman Steel.

The Season 1 special featured a preview of the final-round cook-off. The episode also included interviews with the contestants and season highlights.

The ultimate three finalists compete for the title of MasterChef 2000; judges are Chef Jacques Pepin and Robin Mattson.

Midwestern-A region; judges are comic Bobby Collins and Chef Susan Feniger.

Northwestern region; judges are editor Jerry Anne Divecchio and Chef Tom Douglas.

Northeastern-B; judges are CNN's Laurin Sydney and Chef Benjamin Ford.

Western-A region; judges are Jacklyn Zeman and Chef Mark Peel.

Southeastern region; judges are David Brenner and Chef Mary Sue Milliken.

The second set of Midwestern-B region; judges are actress Suzanne Rogers and Chef Damian Mandola.

Northeastern-A region; judges are Tom Bergeron and Chef Richard Kaupp.

Western-B region; judges are Bill Nye the Science Guy and Chef Michael Chiarello.

The last group of cooks from the Southwestern region; judges are Suzanne Sena and Chef Mark Miller.

Semifinal 1; Southwestern/Midwestern regions; judges are Barbara Fairchild and Piero Selvaggio.

Semifinal 2; Northeastern/ Southeastern region; judges are A.J. Benza and Rick Bayless.

The last semi-final round, Semifinal 3; Northwestern/ Western regions; judges are actress Donna Mills and Allyson Thurber.

The Season 2 special featured a preview of the final-round cook-off. The episode also included interviews with the contestants and season highlights.

The three winners of semifinals 1, 2 and 3 compete in a three-course meal challenge; judges are B. Smith and MasterChef 2000 winner, Nancy Vaziri.