NBC renews `Marriage Ref,' 2 other reality shows

NEW YORK The network said Monday that it's renewed "The Marriage Ref," "Minute to Win It" and "Who Do You Think You Are?" for the 2010-11 season.

Two of the shows have celebrities behind them: Jerry Seinfeld is executive producer of the comedy panel series "The Marriage Ref," while Lisa Kudrow has that role for "Who Do You Think You Are?" which looks at stars' family trees.

"Minute to Win It," with TV chef Guy Fieri as host, is a competition series with a top prize of $1 million.