CHICAGO (thefutoncritic.com) -- NBC's "The Apprentice" will trade one juggernaut for another as the Peacock announced yesterday plans to revamp three nights of its schedule as six of its series will changing time slots over the next two weeks.

"The Apprentice," which saw its adults 18-49 rating fall a whopping 52% against FOX's "American Idol" this past Wednesday, will move back to Thursdays, this time at 9:00/8:00c, beginning next week. The Donald Trump-hosted series fared better against CBS' "C.S.I.," beating the drama in the key demographic by 9% (10.2 vs. 9.3) last week. Encores of "The Apprentice" however will continue to run in the Wednesday, 8:00/7:00c hour.

The move will cause ripple effects throughout the Peacock's schedule as "Will & Grace" will move back to 8:30/7:30c on Thursdays while "Scrubs" will shift to Tuesdays at 9:30/8:30c. "Scrubs'" shift to Tuesdays will bump current Tuesday, 9:30/8:30c time slot holder "Happy Family" to 8:30/7:30c that night, while "Whoopi" will resume the lead off spot at 8:00/7:00c. "The Tracy Morgan Show," the odd show out in the equation, will move to Saturdays at 8:00/7:00c.

To review, here's a complete list of all the schedule changes:

Thursdays, as of January 29
8:00/7:00c - "Friends"
8:30/7:30c - "Will & Grace" (New Time Slot)
9:00/8:00c - "The Apprentice" (New Time Slot)
10:00/9:00c - "ER"

Saturdays, as of January 31
8:00/7:00c - "The Tracy Morgan Show" (New Time Slot)
8:30/7:30c - (Various programming)

Tuesdays, as of February 3
8:00/7:00c - "Whoopi" (New Time Slot)
8:30/7:30c - "Happy Family" (New Time Slot)
9:00/8:00c - "Frasier"
9:30/8:30c - "Scrubs" (New Time Slot)
10:00/9:00c - "Law & Order: Special Victims Unit"

"Good Morning, Miami," which had been airing in the Thursday, 8:30/7:30c half-hour, will go on hiatus.