The rumor about the existence of a naked photo of Annie runs wild throughout the West Beverly Hills High community, causing further divide between Dixon and his sister. Despite his problems at home, Liam joins Teddy and Dixon in trying out for the surfing team. Meanwhile, Ryan worries about his relationship with Jen, and Naomi continues scheming new ways to make Annie's life miserable.

The 16 players have been chosen and head to The Biggest Loser Ranch. The theme this season is second chances. The contestants are happy to finally meet Bob and Jillian, but are a little surprised when the bus drops them off at the beach to meet with Ali first.

Ruby confronts Jordan about his constant interfering with her life. Meanwhile, Patrick and David team up to help Ben get rid of his problems with the school bully.

The final head of household competition finds Jordan and Kevin facing off, with the winner choosing one more player to evict from the game. After, the jury members question the two finalists before choosing a winner. Later, the cast members will discuss their experiences from living in the compound.

While hunting down MacPherson, Myka receives word that her father is dying. She discover that he's the victim of an artifact, one that someone intentionally sent to him.

They are breathtaking, lethal and a constant source of surprise. The stunning rings of Saturn have mesmerized countless scientists over the centuries. With particles the size of a house shooting at 53,000 miles per hour around the planet, any spacecraft passing through would meet an instant and catastrophic end. Inside the rings is like a NASCAR race - with bumping, jostling and frequent collisions that can cause a massive spin-out. Lesser known are the other planets that have rings - Uranus, Jupiter, Neptune, possibly Pluto and Mars. Even Earth has a ring. Comprised of some 200 satellites in a geosynchronous orbit, it is the only known man-made ring in the universe. But the most remarkable thing about rings is that they contain the story of the birth of our solar system, and entire distant galaxies. Rings are more than a wonder of the universe - they reveal the secrets of our own origins.

In the wake of the murder, the Melrose Place tenants try to go back to a normal routine. Ella learns from her boss that her job may be in danger due to a recent merger. In need of tuition money, Lauren agrees to go out on another date in exchange for money.

An old friend turns to Banks for help as William closes in on his seven-year birthday. Meanwhile, PK's planned celebration of the event may not go as she'd like.

After Gemma experiences something horrible she can't tell Jax and Clay. A rival porn producer comes to try and put Luanne out of business and Clay doesn't like Jax's decision making.

Jay interviews director Michael Moore; the "10 at 10" segment is launched by Tom Cruise and Cameron Diaz; and Jay makes some house calls at 10 PM.

Matt Damon

Tonight Stephen welcomes CNN anchor Christiane Amanpour.