By Brent Lang LOS ANGELES (TheWrap.com) – First, TLC saved “Who Do You Think You Are?” from cancelation over at NBC and now it’s giving it another year. The cable channel announced that it will be giving the genealogical docu-series a 10-episode second season on the network and a fifth season overall, which will air in 2014. “Who Do You Think You Are?” has averaged 1.8 million total viewers per episode this season, which featured Christina Applegate, Kelly Clarkson, Cindy Crawford, Zooey Deschanel, Chelsea Handler, Chris O’Donnell, and Trisha Yearwood. …

By Brent Lang LOS ANGELES (TheWrap.com) – First, TLC saved “Who Do You Think You Are?” from cancelation over at NBC and now it’s giving it another year. The cable channel announced that it will be giving the genealogical docu-series a 10-episode second season on the network and a fifth season overall, which will air in 2014. “Who Do You Think You Are?” has averaged 1.8 million total viewers per episode this season, which featured Christina Applegate, Kelly Clarkson, Cindy Crawford, Zooey Deschanel, Chelsea Handler, Chris O’Donnell, and Trisha Yearwood. …