Survivor: Philippines (8pm, CBS) - The 25th season begins with 18 castaways being stranded on the Caramoan Islands and being divided into three tribes. Included in the mix are three former players who were medically evacuated from previous games, as well as "Facts of Life" star Lisa Whelchel and a Winston-Salem cosmetologist (Dana Lambert, right). (More on this season's players.)
The X-Factor (8pm, Fox) - I'm hearing good things about Britney Spears as judge on "The X-Factor!" See for yourself tonight as auditions continue.
Royal Pains (9pm, USA) - In the Season 4 finale, Hank comes to some conclusions about his life while treating a volleyball player with odd symptoms. Elsewhere, Divya's fling with Rafa yields unexpected results.
Big Brother (9:30pm, CBS) - The jury questions the finalists and votes for the winner.
Paranormal Witness (10pm, Syfy) - A family learn that their new Connecticut home was once a funeral parlor. That could explain the strange incidents that occur there.
Top Chef Masters (10pm, Bravo) - The chefs instruct a mystery guest to make a dish in the season's penultimate episode. Later, they mentor culinary students.
Big Brother (9pm, CBS) - The 4th installment begins with 12 new house guests and four returning players who are among the most successful to ever compete in the house. Twist: the four players from past seasons will play for their own separate prize and not the $500,000 grand prize. Julie Chen (aka Chenbot, left) returns as host.
America is doomed.
awaits a post-date phone call from Dr. Bill.
Big Brother (9pm, CBS) - In the 13th season opener, eight new house guests are introduced, plus some notorious pairs from previous seasons who will also play the game.
Survivor: Nicaragua (8pm, CBS) - The 21st edition of this CBS reality show begins tonight with a special "old vs. young" competition, featuring former Dallas Cowboys coach
Dark Blue (9pm, TNT) - Two new back-to-back episodes with the 10pm episode marking the second season finale. In the finale, the gang tries to stop a terrorist smuggling dirty bomb components into the country.
Big Brother 12 (8pm, CBS) - Someone goes home tonight.
Top Chef: Washington, DC (9pm, Bravo) - It's Restaurant Wars night! The contestants are divided into teams to run a D.C. restaurant, and will be serving Speaker of the House Nancy Pelosi and food critic Frank Bruni.
Rookie Blue (9pm, ABC) - Andy goes undercover as a prostitute as she and Dove try to impress Sgt. Boyko with their initiative. Instead, they end up putting an informant's life in jeopardy. This Canadian cop show just got picked up by ABC for a second season.