Savage and Maul plot revenge, forcing Obi-Wan to team up with Asajj.

Division is in an uproar when their agents are being assassinated one by one. Amanda realizes Percy is behind the murders and is trying to undermine her authority with the other Division agents. She reluctantly calls Nikita with an offer that is hard to resist - stop Percy and she'll give Nikita Ryan.

Indie-pop & singer-songwriter Ingrid Michaelson joins an entrepreneur from Marina del Rey, CA to pitch his high-tech music software product. A couple from Oldsmar, FL learns the hard way they have just one chance to convince the Sharks to invest in their instant solution for cellulite-free looking skin. Also: An entrepreneur from San Diego, CA pitches his unique sales distribution method for his stand-up paddle board company to the Sharks. A wine server from Fort Collins, CO has created an aerating device that could revolutionize the way wine is sold. Plus, there's a follow-up on Fullerton, CA's Rick Hopper and his invention, Readerest, a magnetic clip that secures eyeglasses - and which Lori Greiner invested in.

Winter sets in. The now short staffed crews try to go out once more before the ice blocks them in. Each on their own, Emily salvages and Scott M. finds salvation. The crews take their earnings and face off at an auction for next year's dredging grounds.

The brothers investigate several cases of cursed antiques turning up in Portland, but soon discover something far more sinister when they learn that the Leviathans are buying up real estate in the area. Meanwhile, Sam is still plagued by Lucifer's voice in his head.

The fighters and coaches are at the UFC training center with Dana White. White announces that he will flip a coin to pick a coach. The coach who wins the coin flip will have the option of picking the first fighter or the first fight. Urijah Faber wins the coin flip and decides to pick the first fight. Dominick Cruz makes the first fighter pick and the coaches alternate picking fighters for their teams.

Kate returns to work and mediates a case between a corporation and former employee whose granddaughter claims he was exposed to harmful chemicals.

Clare finds out Jenna has stolen another ex-boyfriend, Jake, whom he has invited to his birthday supper. When diving into vampire fiction is not enough of an escape, and her father does not have room, Clare moves in with a group of friends she had previously met. Connor makes it on to the football team, but has trouble fitting in, especially with Mo. Fiona continues to hang out with Imogen, but when she realizes she has feelings for her, Fiona decides Imogen should date Eli.

Guests: Documentarian Alexandra Pelosi, actor Ed Helms, author and MSNBC host Dylan Ratigan, journalist Amy Holmes, Mayor Mark Cornett (Oklahoma City-R)

Topics: entitlement culture, democrats losing their base, gas prices and Obama's ratings, stupidest states, 'The Lorax' and liberal brainwashing, the south, Afghanistan, Goldman Sachs, Kony 2012 and youthful advice.

Mary returns to WITSEC from maternity leave to find a new set of office dynamics. Plus, she must protect a witness who could take down one of the most powerful secret societies in the country.

While Spartacus finds an opportunity to get revenge, Glaber is surrounded by intrigue.

The mysteries of the Puma Punku ruins in South America are explored. Investigators tap into forensic evidence and computer tests to study whether aliens may have inhabited this sophisticated complex.

Jimmy Fallon, 8-year-old presidential whiz kid H.L. McCullough, Toby Keith

Acnologia arrives at the island and begins to destroy it. Seeing the Black Dragon of Apocalypse, Makarov tells his guild members to run while he fights it, but the fairies wouldn't leave without their master and decide to fight alongside him. However, their efforts ended up being futile as Acnologia releases his Dragon's Roar, seemingly destroying the island and everyone on it.

A trio of Maractus form part of a musical but one of them can't do the dance right.

Spike joins the Great Dragon Migration to discover his true identity, but it might not be what he really needs.

Hal and Kilowog imprison Razer at a prison asteroid. However, when they receive a report of torture and go back to investigate, they are captured and Aya turns to Razer for help.

A covert operation against Queen Bee in Qurac forces Miss Martian to finally face her greatest fears and her biggest secrets. But will she reveal those secrets to her friends - or allow what she's hiding to take down the entire team?

Concerned about the consequences of the bungled shooting and Jade's violent assault at the hands of the gang, Stevie and Jade are determined to leave. Lloyd and Scarlett attempt to get them to change their minds but they're adamant, until Jade's condition gets worse and she's taken back into the ED. After Yvonne learns the truth about Jade's assault, she is furious that Jordan and Tess failed to disclose the information.

Jonathan is joined on the show by Sarah Millican, Sugar Ray Leonard, Hugh Jackman and Snow Patrol.