A ghost who knows of a hidden munitions dump with unexploded bombs confides in Melinda that one of those bombs is missing and in the wrong hands, warning that someone will lose their life.

An eccentric billionaire asks the iCarly gang to perform a web show from outer space; Spencer is visited by a mysterious little girl.

After Allison is mugged, she decides to take charge by enrolling in self-defense classes. Also, Devalos investigates a teenager's rape and an undercover cop's possible murder, and the suspect may have very close ties to Scanlon.

Fed up with the corruption of his superiors, Officer Frank Leo leads an impromptu strike action.

Adding to his wish list of improbable inventions, Karl offers up a serum that ages dead people backwards. Also up for discussion: Do African families really want goats as charitable gifts? Is a space flight worth the money and effort? If you could have any super power, what would it be? How rare is it to see a Chinese homeless person? In "Monkey News", a Moscow network fired so many employees it had to hire a chimp to host a talk show, with Cher as one of the guests.

Coming soon...

The murder of two men takes the team to investigate a group of friends that had been sexually assaulted by a teacher at a younger age. Meanwhile, the perfect job opportunity pops up for Charlie and Amita, that may also put a wrinkle on their wedding plans.

Guests: Actor Sean Penn, journalist Andrew Ross Sorkin, co-founder of the Huffington Post Arianna Huffington, director Michael Moore

Topics: Earthquakes in Haiti and Chile, Hugo Chávez, Economic activism, Health Care, the economy regulation of the financial industry, labor relations, the Oscars, Republican fundraising tactics, the Media

Keon takes Lacy to meet Barnabas Greeley, leader of the Soldiers of the One. Troubled over the work he's been doing with the STO, Clarice hopes to gain attention by presenting the Zoe avatar and sets course by taking it directly from Daniel's lab.

Stricken with his wife's death, Spartacus must decide between death or being the greatest gladiator.

Frank is willing to face the brass and account for himself, but he discovers that his father has been made a target as well.

Coming Soon...

Actor Matt Damon; comic Danny Bhoy; Corinne Bailey Rae performs.

Morgan Freeman; Jason Reitman; musical performance by Robin Thicke.

As Lyra and Khoury prepare to return to Johto, they decide to have a tag battle.

After Yuki feels jealous he is forced to take romantic action with May. The board has a tempting offer for Jordan. Kieron business with Jordan is finally revealed.