Allison's investigation of a missing girl's murder may have a link to Scanlon's late brother, which further erodes her relationship with Lee. Bridgette and Marie must deal with Ariel heading off to college.

In an attempt to cheer up Clark, Lois convinces him to attend their five-year high school reunion. A visit back to the home of the Crows has Clark remembering old times with Lana and Chloe, while Lois is furious that no one remembers her five days as a student. Brainiac 5.0 uses his Legion ring to visit from the future and takes Clark through his past, present and future.

Teachers and parents rebuild a middle school in Compton, California.

When the leader of a powerful New York gang, El Puno, is found murdered, the CSIs must find the killer before a street war with a rival gang breaks out. Mac asks the co-founder of El Puno, Luther Devarro, a man he put behind bars years before.

After Bobby discovers Crowley has no intentions of returning Bobby's soul, the hunter takes matters into his own hands. He calls on Sam and Dean for help after he unearths one of Crowley's deepest secrets. Meanwhile, Sam and Dean learn what Bobby does all day when they are not around.

Coming soon...

Much to her displeasure, Ahsoka is given the duty of teaching a class at the academy on Mandalore.

The ex-governor's son is kidnapped once again, this time by drug dealers. Dan, who rescued him 25 years ago, is framed for the crime and must hide out. While Jack is busy tracking down the real kidnappers to prove Dan is innocent, Dan seeks the help of his former partner who helped him rescue the then-governor's son the first time around, the legendary Frank Savage.

When Declan returns to town for a student theater award program, he is thrown for a loop when Holly J tells him that she is currently dating Sav. He then sets out to win her back, turning to Fiona for help with that task but ultimately tries to take things too far. Tiring of her parents constant fighting, Clare urges Eli to rebel with her when they sneak out of the awards ceremony to hear a famous author's speech. Mad that Mr. Simpson cancelled the Power Squad since it doesn't have a teacher as an advisor; Chantay tries to find a way to get him to reconsider.

Guests: Activist Al Sharpton, columnist Markos Moulitsas, musician John Legend, Dana Loesch, columnist Dan Neil

Topics: Bill O'Reilly, Tea Party movement, 2010 Craziest Candidate Countdown, electric cars, education, Brett Favre

Two ships are wrecked and a tidal wave races toward the coast of Mumbai, India, following Wexford's attempt to kill "Big Bertha". When Wexford tries to kill the creature again, Magnus risks her life to intervene in the Season 3 premiere.

An off duty cop is found dead after a diamond heist and Frank gets the whole police force in gear to find the murderers.

Coming Soon...

Todd decides to launch Thunder Muscle with an advertisement featuring a celebrity endorsement - Dave sets up the meeting. Meanwhile Todd's "relationship" with Alice goes to the next level: dinner at her flat.

Actor David Duchovny; actress Amy Sedaris; comic Mike E. Winfield.

Eva Longoria Parker, John Legend

The final round of the Grand Festival has arrived. As they promised long ago, Dawn and Zoey are the final two contestants. As the battle begins, Zoey chooses her Glameow and her newly evolved Gallade, while Dawn goes with Piplup and Togekiss. With only one battle standing between them and the Ribbon Cup the battle is sure to be fierce, but who will ultimately win?

The thirteen remaining couples perform live on stage once again. After each couple have danced the judges give their verdicts on what they have seen and scores. At the end of the show the phone lines are opened for the second public vote of the series.

Uther pressures Arthur into an arranged marriage with a visiting princess, Elena, though Merlin soon has reservations after discovering that Elena may not exactly be who she claims to be. As he tries to uncover the princess' dark secret, he learns that Elena's nanny is a Pixie. But what are their motivations? Who do they work for? And most important of all, what benefit do they get from her marriage to Arthur, the heir to the throne of Camelot? Will Merlin be able to get to the bottom of it all and prevent Arthur from making the biggest mistake of his life?.

The remaining finalists perform live for the second time with the theme being Heroes. After each act has performed the judges give their verdicts on what they have heard. Most of the acts manage to impress the judges once again with Rebecca, Matt and Mary really impressing. At the end of the show the phone lines are opened for tonight's public vote.

The senior members of staff attend the memorial service for those killed in the college attacks, leaving Ruth determined to prove she can adeptly manage the department in their absence. However, she struggles to cope when the teenager responsible for the shootings is brought into the hospital from prison, and the situation is complicated further by the admittance of victim Simone, who is forced to face her demons. Meanwhile, Kirsty and Adam's mutual attraction grows, and Jeff tries to come to terms with his feelings