LOS ANGELES (thefutoncritic.com) -- ABC is gearing up for a major overhaul to its primetime schedule, including new homes for "Private Practice" and "Life on Mars."

The proposed changes - which include the additions of "Border Security USA," "Scrubs" and "Here Come the Newlyweds" - began making the rounds in the advertising community this afternoon.

It's believed a final schedule will be unveiled as early as tomorrow morning.

Here's a breakdown of the aforementioned lineup, which would take effect by the end of January:

Mondays
8:00/7:00c - "The Bachelor" (New Season)
9:30/8:30c - "Samantha Who?"
10:00/9:00c - "True Beauty" (New Series)

Tuesdays
8:00/7:00c - "Border Security USA" (New Series)
9:00/8:00c - "According to Jim" (New Season)
9:30/8:30c - "According to Jim" (New Season)
10:00/9:00c - "Eli Stone"

Wednesdays
8:00/7:00c - "Scrubs" (New Season)
8:30/7:30c - "Scrubs" (New Season)
9:00/8:00c - "Lost" (New Season)
10:00/9:00c - "Life on Mars" (New Time Slot)

Thursdays
8:00/7:00c - "Ugly Betty"
9:00/8:00c - "Grey's Anatomy"
10:00/9:00c - "Private Practice" (New Time Slot)

Fridays
8:00/7:00c - "Wife Swap"
9:00/8:00c - "Here Come the Newlyweds" (New Season)
10:00/9:00c - "20/20"

Saturdays
8:00/7:00c - "Saturday Night Movie"

Sundays
7:00/6:00c - "America's Funniest Home Videos"
8:00/7:00c - "Extreme Makeover: Home Edition"
9:00/8:00c - "Desperate Housewives"
10:00/9:00c - "Brothers & Sisters"

It's assumed that current Wednesday entries "Pushing Daisies" and "Dirty Sexy Money" will sign off at 13 episodes while "Supernanny" will rejoin the lineup after "Newlyweds" completes its second season.

Due in the spring then are newcomers "Better Off Ted," "Castle," "Cupid," "The Goode Family" and "The Unusuals."

Again, keep in mind the above schedule has yet to be confirmed.