Duets: In this new episode the songs are chosen by the celebrity singers (8 p.m. ABC).
The Choice: Dean Cain, Tyson Beckford, professional football player Ndamukong Suh and Dr. Robert Nettles appear on the season finale (8:58 p.m. Fox).
Big Brother: The reality favorite returns for another season with host Julie Chen (9 p.m. CBS).
Saving Hope: In this new episode a hypnotized man is brought into the hospital with severe injuries, but he can't remember who he is. The doctors call in the hypnotist who put him under, and while he's there, he's able to help Alex (Erica Durance) connect with Charlie (Michael Shanks) (9 p.m. NBC).
Swamp People: Troy searches for one more monster gator to make a statement in the season finale (9 p.m. History).
Rookie Blue: Andy and Swarek (Missy Peregrym, Ben Bass) respond to a noise complaint at an illegal warehouse party, where they find two surprises: a squatter who has been stabbed and Shaw's (Matt Gordon) 15-year-old daughter(Chloe Rose), who saw it happen (10 p.m. ABC).
Wilfred: Ryan tries to stop Wilfred from waging war against an unlikely foe in this new episode (10 p.m. FX).
The Real L Word: Cameras follow lesbians in Los Angeles as they go about their lives as the unscripted series returns for a new season (10 p.m. Showtime).
Top Spot: In this new series, soon-to-be travelers check out potential vacation spots – including luxurious beachfront hotels in Florida and cultural hot spots in London — to find out which of three getaways best suits their style and their budget (10 p.m. Travel).
Suits: Travis Tanner (Eric Close) is back in town with Harvey (Gabriel Macht) in his sights, forcing Harvey and Jessica (Gina Torres) to hide the ball from Hardman (David Costabile) (10 p.m. USA).
Louie: Louie (Louis CK) heads to Miami in this new episode (10:30 p.m. FX).
Polyamory: Married & Dating: This new series looks into the lives of people in relationships with more than one person (11 p.m. Showtime).
Golf: U.S. Senior Open (Noon ESPN2).
WNBA basketball: The Sparks visit the Indiana Fever (4 p.m. ESPN2).
Basketball: Dominican Republic vs. U.S. (6 p.m. ESPN).
Tour de France: Stage 12: Medium Mountains (3:30 a.m. NBCSP).