Robert Gauthier / Los Angeles Times
The show: VH1s Celebrity Rehab, where celebrities attempt to get clean with the help of Dr. Drew Pinsky.
The stars: Daniel Baldwin, Mary Carey, Chyna, Jaimee Foxworth, Brigitte Nielsen, Ricco Rodriguez, Jessica Sierra, Seth Binzer.
The prize: Sobriety!
Sample challenge: Staying focused while Daniel Baldwin repeatedly attempted to catch the attention of Mary Carey.
Did it work? Yup. The show has been renewed for a third season, and has reportedly inspired a spin-off, "Sex Rehab with Dr. Drew."