Contestants chosen from around the nation endure a grueling rehearsal schedule and pressure-packed auditions as they vie for a coveted spot among the Top 32. Who will survive and who will go home?

A cheerleader invites the gang to a house party where Fall Out Boy will perform and Navid moves on from his relationship with Adrianna by connecting with a girl named Nika. Meanwhile, Ethan gets involved in an unexpected mishap.

As his increasing workload from being Chief of Medicine begins to take a toll, the unimaginable happens when Dr. Cox reaches out to Dr. Kelso for friendship.

This episode sees the return of Packed to the Rafters for its second season on Australian television. Decisions still need to be made from where they left off at the end of Season One. And Ben and Mel may or may not have a relationship. So I suppose many questions will be answered over the next few episodes. In this episode we see Julie once again worried about the safety of her family. It seems she visits a psychic and some very troubling forecasts about the future of the Rafter family are made. Now normally this would not bother Julie, but as each of these predictions come true, Julie becomes increasingly concerned.

A look inside our National Security Agency, the security organization which intercepts our communications, including its supposed failures before 9/11 and its new eavesdropping system since. It also examines whether their practices are too broad and its load of unusable information just may drown out the critical information. Also featured are interviews with former FBI, CIA and NSA officials.

It's Ted's lucky day when he falls head over heels in love with an ukulele player, and Dr. Cox realizes he cannot handle everything that is thrown at him.

The host presses olives into oil in Arizona and cleans dirty diapers in California.

Olivia and Peter go undercover to investigate after the discovery of bizarre remains at a jumbo jet's crash site.

Megan and Charlie share a kiss, Sage is afraid that Luis will not like that she is a virgin, and Rose is approached by Miles' daughter.

The clues to a kidnapped girl's location are locked inside an Alzheimer's victim's brain, and Dr. Huang will need all his skill to give the detectives any hope of finding her before it's too late.

Matt becomes envious of Sean and Raj bonding together. Christian and Liz give their relationship another chance. Raj's father pays a visit to see his son, and has a request which stuns Raj.

The team searches for someone who abducted two neighbors from their homes. The case twists and turns when the agents learn the identity of the kidnapper.

The Leverage team attempts to recover a sum of money that was swindled from a charity by an investment broker. After tricking him into entering a rehab facility—due to his alcoholism, the team learns that he's not the terrible person he appeared to be.

The majority of space exploration has occurred in Low Earth Orbit, around 120 miles above sea level. For a cool $20 million, any person can take a ride on the International Space Station, around the 1,100 mile band around Earth. Commercial prospects for LEO are huge, there are big dangers lurking for anyone interested in traveling this way, such as radiation, , cosmic rays, and space debris numbering in the thousands threaten any spacecraft traveling in orbit. It's a new frontier and maybe the final frontier, and the possibilities are endless if you are willing to travel to the edge of space exploration.

There have been both helpful and harmful effects on life on Earth from cosmic effects. Cosmic Phenomena includes the beauty of the Aurora Borealis and rainbows to the dangers of UV radiation and cosmic rays, from the miracle of photosynthesis to the thrill of a meteor shower as we explore the effects caused by the sun and other extra-solar sources, which can get under our skin and scramble man's technology, make life possible and be a threat to our existence all at once.

Actor in the new hit movie Slumdog Millionaire, Dev Patel

Upon discovering his hidden talent of whistling, Leslie records a demo that ends up becoming a big hit. Meanwhile the gang continues to deal with the tricks of the new boss at Super Value Mart.

Tonight Stephen welcomes the author of In Search of Our Roots: How l9 Extraordinary African Americans Reclaimed Their Past, Henry Louis Gates Jr.

A drugs awareness day is held at the school. Governor Ralph Mellor wants Marley Kelly away from his daughter and expelled from the school and plots to make it a reality.

Chris Ostwald attempts to build a New England style water mill in the Chilterns.