Trainer Kim Lyons, Trainer Bob Harper, Host Alison Sweeney, Trainer Jillian Michaels by Mitchell Haaseth/NBC Trainer Kim Lyons, Trainer Bob Harper, Host Alison Sweeney, Trainer Jillian Michaels by Mitchell Haaseth/NBC

NBC has picked up The Biggest Loser for a fifth season, which will for the first time pit teams of two (e.g., husband-wife, BFFs) against each other.... A motley crew of celebrities who have appeared on past VH1 reality series will confront their addictions via Celebrity Rehab with Dr. Drew, an eight-episode series debuting Jan. 10.... NBC will stage in mid-December a Clash of the Choirs, a reality competition in which celeb crooners assemble choruses from their hometowns.... ABC has ordered a script for Foobar, a geeky ensemble comedy set at a software company.... Sex and the City scribe Cindy Chupack is cocreating a romantic-comedy anthology series for NBC, featuring one to three stories a week and an animated short connecting them.