NBC Renews ‘Biggest Loser,' ‘Sing-Off,' Who Do You Think YouAre?'

New NBC Entertainment Chairman Bob Greenblatt Tuesday
announced the pick-ups of alternative series The Biggest Loser, Who Do You
Think You Are?
And The Sing-Off
for the 2011-12 season.

"Alternative series such as these
three bona fide hits are important not only to their loyal audiences but also
as strong components of the NBC schedule," said Greenblatt in a statement.
"They are each unique, attention-getting shows with terrific producing and
talent auspices, and we're proud to be associated with them."

The fall cycle of Biggest Loser averaged a 3.1 rating/8 share with adults 18-49 and
8.3 million viewers. The current couples edition season is averaging a 3.3/9 in
the demo and 9 million viewers so far this winter.

Season two of Who Do You Think You Are? has averaged a 1.4/5 and 7 million
viewers on Friday nights in its first two weeks.

Singing competition series The Sing-Off averaged a 3.2/8 in its second season, improving over
the prior year by 28% with adults 18-49 and 27% in total viewers (9.2 million).