S4E1 - Anything You Can Cook I Can Cook Better
The 16 new contestants face their first QuickFire and Elimination rounds using themes from Chicago's regional cuisine.
March 12, 2008, midnight
S4E2 - Zoo Food
A farmers' market takes prominence in this week's QuickFire, and an exotic location is the setting for the Elimination round as the remaining chefs cook for guest judge Wylie Dufresne.
March 19, 2008, midnight
S4E3 - Block Party
The contestants mix it up with Rick Bayless while creating a fiesta for a community.
March 26, 2008, midnight
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S4E4 - Film Food
The remaining chefs demonstrate their aptitude with knives, and then help Richard Roeper throw a film-themed dinner. Daniel Boulud guest judges.
April 2, 2008, midnight
S4E5 - The Elements
The dreaded taste test is back, and even before the chefs recover from it they must cater a charity event. Ming Tsai Guest Judges this week.
April 9, 2008, midnight
S4E6 - Tailgating
Simple pleasures is the theme for tonight's round as the chefs must create a dish that complements beer, and then throw a tailgate extravaganza for fans of the local team.
Guest Judge: Paul Kahan – Elimination Challenge
Guest Judge: Koren Grieveson – QuickFire Challenge
QuickFire Challenge: Create a Dish that Pairs Perfectly with Beer
Elimination Challenge: Cater a Tailgating Party for Chicago Bears Fans
April 16, 2008, midnight
S4E7 - Improv
The chefs begin with a sugary challenge, and then move to the historic Second City Theatre where their improvisational skills will be tested by masters of the art – one of the resident troupes. Johnny Iuzzini from Jean Georges restaurant guest judges.
April 23, 2008, midnight
S4E8 - Common Threads
The microwaves are back, and this time the contestants are to make a healthy meal using a single main ingredient. Chef Art Smith, owner of Table 52 in Chicago performs guest judge duties.
April 30, 2008, midnight
S4E9 - Wedding Wars
The remaining chefs' knife skills are challenged again, followed by a wedding reception challenge which might bring the blades out for an entirely different purpose.
May 7, 2008, midnight
S4E10 - Serve and Protect
Salad, one of the least respected dishes by chefs, takes center stage tonight as the contestants are challenged to reformulate it, then they continue with the healthy kick by trimming calories and all things bad from a classic entrée.
May 14, 2008, midnight
S4E11 - Restaurant Wars
It's all about service tonight as the chefs work the line during a breakfast rush at a diner, and then create their own restaurants from scratch. Washington, D.C. Chef and restaurant owner José Andrés guest judges.
QuickFire Challenge: Work a Short Order Egg Station
Elimination Challenge: Restaurant Wars
Guest Head Judge: Anthony Bourdain
May 21, 2008, midnight
S4E12 - High Steaks
The remaining chefs' butcher skills are tested, and then they must use the cut of meat they made. Guest judge Rick Tramonto, a Chicago chef and restaurant entrepreneur.
May 28, 2008, midnight
S4E13 - Puerto Rico
There are four chefs and only three spots for the final round, and the contestants know it as they travel to Puerto Rico for the next two challenges.
Guest Judge - Wilo Benet
QuickFire Challenge: Make Two Frituras featuring Plantains
Elimination Challenge: Use a Whole Pig to create Dishes for a Governor's Mansion Event
June 4, 2008, midnight
S4E14 - Finale
The finalists cook "the most important meal of their lives" for the judges to determine which will be crowned Top Chef.
Guest Judges/Sous Chefs: April Bloomfield of The Spotted Pig Dan Barber of Blue Hill and Eric Ripert of Le Bernardin Restaurant
Special Guest Judges: Alfredo Ayala and Tim Zagat
Final Challenge: Create a traditional four course tasting menu
June 11, 2008, midnight
S4E15 - Reunion
Season four cast and judges gather to reminisce and learn the winner of the fan favorite contest.
June 18, 2008, midnight