2012 Summer Olympics (NBC) - You can check to see when and where games are playing on the NBC Olympics schedule page. Highlights include track and field relay races, the men's pole vault and BMX finals. Tips on watching the Olympic games.
 
Unusual Suspects (9pm, Discovery) - In the Season 3 premiere, an attack on a Pennsylvania family that left only one survivor.

Common Law (10pm, USA) - In the Season 1 finale, Wes and Travis (left) finally share the story of what landed them in therapy.

Chasing UFOs (10pm, NGC) - Erin, Ben and James travel to Varginha, Brazil, known as the "Roswell of South America," because numerous UFO sightings have been reported there. The team investigates rumors of alien life forms hiding in the jungles just outside the city.

The Dead Files (10pm, Travel) - In the Season 2 opener, a dentist claims that his home office in Huntington, West Virginia, is haunted. Amy and Steve investigate.

Comedy Bang! Bang! (10pm, IFC) - Guests for the Season 1 finale are "Weird Al" Yankovic and Tenacious D.

Lost Girl (10pm, Syfy) - Bo becomes entangled in Fae politics while she tries to save some important people.

2012 Summer Olympics (NBC) - You can check to see when and where games are playing on the NBC Olympics schedule page. Highlights today include lots of swimming (featuring Cullen Jones, Missy Franklin, Michael Phelps), women's volleyball, and women's diving. More tips on watching the Olympic games.

Swamp Wars (9pm, Animal Planet) - Snake night! In the first episode, a rattlesnake swims in a pool and another is found hiding in a car. In a 10 p.m. episode, a child is bitten by a coral snake and falls into a coma. If you watch, the nightmares are

Common Law (10pm, USA) - Wes confides in Travis about dreams he's had about Dr. Ryan, which turns out to be a mistake. Elsewhere, Dr. Ryan's fiance may be withholding information about a body found at his construction site.

Lost Girl (10pm, Syfy) - Bo poses as a teacher to investigate a mysterious case, and Lauren returns from her vacation.

Real Life: The Musical (10pm, OWN) - Marilu Henner's teen son Nick wants to thank a favorite high school teacher, with the help of Mark Ballas of "Dancing with the Stars."

Chasing UFOs (10pm, NGC) - Claims that aliens are watching Earth from above are investigated near the Kennedy Space Center in Florida.

2012 Summer Olympics: Opening Ceremony (7:30pm, NBC) - The official start of the games at London's Olympic stadium serves as a celebration of the host country. The event is expected to feature an on-field British meadow with farmyard animals (exciting!), a cricket match and a performance by Sir Paul McCartney. Also, the traditional parade of nations and the lighting of the Olympic cauldron. The event involves 10,000 volunteers, 10,000 athletes and 60,000 spectators inside the stadium.

Tyler Perry's House of Payne (8pm, TBS) - TBS counter-programs the Olympics Opening Ceremony with a four-hour block of all new "Tyler Perry House of Payne" episodes.

Havana, Havana! (10pm, UNC-TV) - Cuban musicians Raul Paz, Descemer Bueno, Kelvis Ochoa and David Torrens, who left their homeland to pursue careers abroad only to return, join for a homecoming concert in Havana. The documentary charts the preparations for the show, and tells the life stories of the four through interviews and visits to their childhood haunts.

Common Law (10pm, USA) - The guys work with their mentors on an important murder case and see their own problems reflected in their advisors.

Lost Girl (10pm, Syfy) - Bo investigates the disappearance of human backpackers and finds something that threatens her physique. Also, Bo's new man sets things in motion that prompt Kenzi to make a desperate choice.

Aurora Shooting Coverage: In addition to special coverage on tonight's 6:30 newscasts, the major networks are planning additional coverage of the last night's mass shooting in Aurora, Colorado. Here's what I've seen so far: CBS anchor Scott Pelley will lead a special edition of "48 Hours" at 8. For NBC, Ann Curry will report live from Aurora on "Dateline," airing at 9. ABC will have a special edition of "20/20" anchored by Chris Cuomo from Aurora and Diane Sawyer from New York, tonight at 10. There's a special edition of "Nightline" on ABC at 11:35. On CNN, Anderson Cooper will broadcast "AC360" from Aurora at 8 p.m. and 10 p.m.  On Fox, "On the Record with Greta Van Susteren" will cover the shooting at 10, with Van Susteren reporting from Aurora. Chris Jansing will have special reports from Colorado at 4 and 10 on MSNBC.

Whale Wars (9pm, Animal Planet) - In the Season 5 finale, the Sea Shepherd's months-long search for the Nisshin Maru finally pays off, but the factory ship is well protected and won't give up without a fight.

Common Law (10pm, USA) - Wes and Travis share quarters during a stakeout to monitor the moves of a crime novelist, who may have helped a criminal escape prison.

Louisiana Lockdown (10pm, Animal Planet) - In the Season 1 finale, a rookie rider takes on a former champion as the rodeo season nears its conclusion. Also, an inmate learns he's getting out after 18 years in prison.

Lost Girl (10pm, Syfy) - Bo accepts the Ash's proposal and acquires an unlikely partner.

Comedy Bang! Bang (10pm, IFC) - Guest Ed Helms plays the banjo and makes animal noises.

Portlandia: The Brunch Special (11pm, IFC) - A director's cut of the Season 2 finale, with a "making of" segment, and appearances by Bobby Flay, Lorne Michaels and Kyle MacLachlan.

Deadliest Catch (8pm, Discovery) - In two episodes, ice creates problems on the opilio-crab grounds, prompting some captains to leave, and one of the vessels suffers a blackout.

Tyler Perry's For Better or Worse (9pm, TBS) - In the Season 2 opener, questions about fidelity still plague Marcus and Angela's relationship, and Tyrik lands a job renovating the salon.

The Ricky Gervais Show (9pm, HBO) - Topics in the Season 3 finale include Karl's thoughts on the insect world and his diary entries about cutting avocados.

John Leguizamo's Tales from a Ghetto Klown (10pm, UNC-TV) - Actor-playwright John Leguizamo's rise to success is chronicled in this profile, which features remarks from him, his family and friends. The documentary also examines his decision to take his one-man Broadway play, "Ghetto Klown," to his native Colombia.

Common Law (10pm, USA) - Wes and Travis investigate a cop's shooting and take care of the injured officer's police dog.

Louisiana Lockdown (10pm, Animal Planet) - Slater's marriage ends after 10 years, making him a single father. Meanwhile, an inmate prepares for his first rodeo and a former champion is ready to ride again.

Chasing UFOs (10pm, NGC) - Ryder, Ben and james visit the alleged UFO crash site in Roswell, New Mexico.

Celebrity Vacation Homes (9pm, HGTV) - A new series that features tours of posh holiday retreats looks at President Obama's vacation home in Oahu, Jennifer Aniston's Mexican villa in Los Cabos, and Pamela Anderson's Malibu beach house.

Chasing UFOs (9pm, NGC) - The press release for this new show provided my favorite wacky fact of the week: "A National Geographic Channel survey finds that two-thirds of Americans think Barack Obama is better suited to handle an alien invastion than Mitt Romney." I kinda love that people have opinions about that! But about the show ... "Chasing UFOs" is a new National Geographic Channel series in which a team of investigators -- comprised of a believer, a skeptic and an undecided -- look into alien-related mysteries. The first episode probes mysterious lights in the sky over two Texas towns. A second episode at 10 looks at claims the government uses alien aircraft to spy on citizens in central California.

Common Law (10pm, USA) - Travis and Wes swap lives during an exercise to help them better understand one another. Though the experience puts a strain on their relationship, it also ends up shedding light on a case they're working.

Mariachi High (10pm, UNC-TV) - A documentary tracking a year in the life of Mariachi Halcon, a top-ranked high school mariachi band from Zapata High in Zapata, Texas.

Louisiana Lockdown (10pm, Animal Planet) - A man meets his grandson for the first time when they are both behind bars, and a deceased inmate is buried in the prison's cemetery.

We have such a cool giveaway that I'm actually going to make you work for this one.

The generous folks repping USA Network's new show "Common Law" (you know, the one with Michael Ealy and his eyes) are going to give one of our readers a really cool collection of "Common Law" swag.

The "Common Law" Communication Survival Kit (valued at $155) contains a tote bag filled with Everlast boxing gloves, a POP phone, some Tiebreaker chips (to flip to settle arguments), and a set of Do-It-Yourself Therapy Table Topic cards.

Deadliest Catch (8pm, Discovery) - Polar ice challenges the fleet, and the Northwestern and Wizard try to escape St. Paul Harbor.

20/20: Rielle Hunter (9pm, ABC) - John Edwards' former mistress, Rielle Hunter, who had a child with the former presidential candidate, speaks candidly to Chris Cuomo about her relationship with Edwards and tells Cuomo what she would have said if she had been called as a witness in Edwards' recent campaign-finance trial. Hunter also talks about her new book, "What Really Happened: John Edwards, Our Daughter, and Me," which will be published June 26.

Whale Wars (9pm, Animal Planet) - An order to evacuate is given by the captain of the battered Brigitte Bardot with a Japanese security vessel in sight. Meanwhile, the Bob Barker's crew set out to disable a harpoon ship in Antarctica.

The Ricky Gervais Show (9pm, HBO) - Topics include the laws of society and what Karl would do if he were in a position of authority. Also, Stephen asks Karl how he would have reacted had he been on the bus with Rosa Parks in Alabama in 1955.

Common Law (10pm, USA) - The guys' work suffers when they feel pressured to reach an important milestone during the hunt for a pair of criminals emulating Bonnie and Clyde.

Megastunts: Highwire Over Niagara Falls (9pm, ABC) - Live coverage of daredevil Nik Wallenda (at right in an Associated Press photo) as he attempts to walk a tightrope across Niagra Falls, a feat that has been banned since 1890.

Fairly Legal (9pm, USA) - In the Season 2 finale, Kate looks into the firing of a lesbian couple and uncovers a scandal that could involve DA Davidson.

The Ricky Gervais Show (9pm, HBO) - Topics include the origins of the universe and the evolution of creatures other than humans.

Common Law (10pm, USA) - The guys investigate a series of home invasions by a group of thieves and learn that Travis' foster brother could be their leader.

Louisiana Lockdown (10pm, Animal Planet) - An infiltration of drugs tests the security staff's ability to enforce the rules, and an assistant warden tries to find a balance between work and motherhood.

Comedy Bang! Bang! (10pm, IFC) - Amy Poehler is confronted about her hair and her feud with Mad Magazine.

Whale Wars (9pm, Animal Planet) - A ship is spotted on the horizon by the Steve Irwin that may be the Japanese whaler's factory ship.

Fairly Legal (9pm, USA) - Justin puts his election in jeopardy when he introduces Kate to a Brazilian singer and activist.

Common Law (8pm, USA) - I'm a recent convert to this show and it's not just because Michael Ealy (aka Travis, right) is so funny and adorable. But that certainly doesn't hurt things. Tonight, Travis' ex-partner causes friction between the guys when they receive a special assignment to stop a crime ring responsible for stealing high-end vehicles.

Louisiana Lockdown (10pm, Animal Planet) - The first rodeo of the season has the inmates psyching themselves up  to ride, but the prison's mood changes after a tragedy in Camp J that presents a big test for the staff.

Coming Home (10pm, Lifetime) - A sailor surprises his son at Sea World on the boy's 11th birthday. Have tissues handy.

DC Cupcakes: Takes New York (10pm, TLC) - Georgetown Cupcake considers opening a shop in New York City. Why are cupcake shows still on the air?