Fastsigns International CEO Catherine Monson works undercover at her company.

When it looks like Percy's nuclear weapons plan is getting out of control, Ryan suggests they go to the Director of the CIA, Morgan Kendrick, for help. Nikita is vehemently opposed to the plan and is surprised when Michael takes Ryan's side. Tensions escalate when Nikita is proven right after they discover Kendrick has a link to Percy. Meanwhile, Sean is shot by Percy's men, shaking Alex to the core.

Jessie convinces Zuri to enter a pageant; Luke and Ravi play practical jokes on Bertram.

Xavier Obispo, a mob boss in Miami, asks Walter to find a voodoo doll he is convinced was created to be used against him. Willa and Walter, a non-believer in witchcraft, visit a witch who is annoyed by the fact that Walter does not take her art seriously, but decides to help them find the person that could have created the doll, leading them to a surprising participant in the mob boss' situation. Meanwhile, Isabel and Miami Det. Curtis Gillespie risk their lives while investigating a gang fight at a funeral linked to Xavier.

The inventor of Rollerblades hopes to get investment money to put toward his newest invention, an elevated mono-rail bike system. An amazing story from a Rochester, NY businesswoman who hopes her dream comes true and strikes a deal for her innovative shoe accessories that can turn any shoe into a boot. A man from Buena Park, CA must convince the Sharks that there is a market for a custom made air mattress that fits in the back of a pickup truck; and a fashion designer from Dallas, TX has over a billion reasons the Sharks should see the value in his customized cruiser bikes that can be designed on an interactive website. There is a follow-up on Ladera Ranch, California's Shelly Ehler and her ShowNo, a unique towel design that provides coverage when changing out of a swimsuit in public places, which Lori Greiner invested in during Season 3.

Jo tries to get to the bottom of the murder of a successful businessman who still felt the pull of his old neighbourhood by going to a Brooklyn housing project and speaking to the victim's old friends and neighbours.

Meg calls Dean and Sam and tells them Castiel is awake and talking. Meanwhile, a teenager named Kevin gets hit by a bolt of lightening and is turned into a reluctant prophet. Sam and Dean believe Kevin holds the key to defeating the Leviathans but must fight off two Archangels who want him for their own purposes.

A mysterious Fringe event causing people to spontaneously combust forces Walter to revisit his painful past while the Fringe team faces off against David Robert Jones to save the world, or world.

The last quarterfinalist is determined as Team Cruz and Team Faber send out their final fighters.

Karl explains why he'd like to join the Army and recounts his most harrowing acts of bravery.

When Kate enlists Ben's help in turning a prison mediation into a personal crusade, both discover that their romantic feelings for each other are hard to avoid.

Jess needs to find out who's guilty when a college student is attacked after getting roofied at a sorority party.

A financier and his wife's godfather lose everything in a bad investment, and must turn to the wife's stepmother for a loan. She turns them down and turns up dead... her body shattered by ultrasonic waves. While Nick and Hank investigate the case, Juliette looks into the circumstances surrounding the deaths of Nick's parents.

Kane is pulled off his investigation to become a security guard for an eccentric film-maker.

Drew wants to break up with Katie, but when he finds out she's in the hospital for a drug overdose, he has second thoughts.

Guests: Comedian Arsenio Hall, comedian Bobcat Goldthwait, Republican strategist Susan del Percio, host of MSNBC's "The Ed Show" Ed Schultz, former Chief of Staff to Colin Powell Lawrence Wilkerson

Topics: Anniversary of Rodney King/LA riots, Obama being painted as the most left president ever, the future of NATO, Anniversary of Bin Laden's death, republican vice presidential nominee, war on women, success in America, charitable giving

In the series finale, Mary finds herself caught between her "model" witness and an unexpected family reunion, while radical changes take place around the WITSEC office.

Danny and Jackie investigate the suspicious murder of a high rolling investor, who had injuries from a fight, but no marks on his hands. Meanwhile, Frank puts Jaime under house arrest, when the Sanfino family put out a hit on "Jimmy Reardon".

Photos of Lily and Stevie become public, while Danny and Mercedes romance grows. Meanwhile, Ike protects Judi from Ben and Vera tries to get pregnant.

Angkor Wat, Cambodia, is the world's largest ancient religious temple. Within its megalithic ruins, researches have discovered a depiction of a species of dinosaur - a stegosaurus. But how could the ancients have had knowledge of animals that mainstream science says died out millions of years ago? Why are dinosaurs extinct? Did an alien race of beings kill off the dinosaurs to make room for humankind?

Anderson Cooper, Yves Rossy, Electric Guest

Kristen Stewart, James Morrison

Zooey Deschanel, Patrick Warburton

Natsu and Laxus are going to fight and the other members of Fairy Tail can't wait to see it... except for Erza and Gray, who are off on a mission to capture some bandits and their wizard bodyguards! Meanwhile, Lucy is still trying to figure out the meaning of the ancient characters on her father's memento...

With Landorus summoned, Team Rocket springs their trap to catch the Forces of Nature.

After Pumyra tells Lion-O cat slaves are toiling in the mines looking for the Sword of Plun-Darr, he, Cheetara, Tygra & Panthro split up to save the cats and uncover the sword before Ratar-O finds it and uses it to rule.

Hal and the others return to Betrassus when Prince Ragnar becomes a Red Lantern and takes over the planet. Meanwhile, Ganthet disagrees with the other Guardians over the potential revelation of their greatest shame.

On Rann, Beast Boy, Miss Martian, and Superboy team up with Adam Strange to locate the home base of the Kroloteans and stop the invasion at its source.

As the ProBending Tournament begins, emotions fly between the members of the Fire Ferrets. While Korra and Mako have feelings for each other, they have issues displaying it due to Asami being involved. Bolin attempts to make a move on Korra, but this causes conflicts between Mako and the young Avatar, for Mako is defensive of his younger brother. Tension ensues, causing the team to have difficulty playing in the ring. Will they manage to pull through the tournament? Or will emotions tear apart their chances of greatness?.

The Voice live shows continue as Danny O'Donoghue and Jessie J send each of their five artists into the spotlight for the performance of their lives. The public vote will help decide who stays in the competition - but who will belt it out, and who will buckle?

The seventh set of hopefuls audition in front of the judges hoping to gain a place in the next phase of the competition. The judges have to go outside in the rain to see Aquabatique perform and they manage to impress all the judges and go through to the next phase of the competition. Others to impress include contortionist Lucky and drummer Michael Fish. Latvian comedian Gatis Kandis manages to make the judges laugh with his unusual style of stand up. After the auditions come to a close the judges have to decide which 45 acts will progress to the live semi finals.

Dixie and Jeff bring nine-year-old Luke into the hospital with a suspected head injury. After he passes away, Dixie believes that there are suspicious circumstances and calls the police. Jeff is angry as he knows the boy's father and is convinced that he had nothing to do with his son's death. Dylan believes that Sam wants to get back together with him. Zoe realises that Sam actually wants to serve him with divorce papers though and attempts to convince Sam to finally tell Dylan the truth.