Susan Strong and her allies infiltrate the mysterious Super Porp factory.

Mordecai and Rigby are determined to win a happy birthday song contest.

As the situation escalates and the police visit Harry, Hector convinces him to apologize to Gary and Rosie, but his temper gets in the way.

Maggie gets upset when Meredith dodges her questions about DC; Bailey and Ben become concerned about Ben's brother after he is admitted to the hospital, and Dr. Herman starts to warm up to Arizona. Meanwhile, Richard feels manipulated by Catherine.

The hopefuls continue their final performances at the House of Blues and the judges reveal the remaining contestants who will round out the Top 24.

Wolowitz receives some shocking news as everyone prepares for the reopening of Stuart's comic book store. Penny teaches Sheldon how to "let it go", but can't follow her own advice after she learns something infuriating about Amy. Also, Leonard and Raj think they spot Nathan Fillion at a restaurant.

After assigning tasks to each of her friends, Caroline attempts to deal with her current situation as reality begins to set in around her. While spending the day with Caroline, Elena grows concerned when she starts noticing a strange change in her behavior. Meanwhile, Alaric becomes wary when Kai, who has begun experiencing unexpected consequences from the merge, turns to Jo, desperate for her help. Elsewhere, while Bonnie finds herself in an unfamiliar situation, Matt and Tyler contemplate a major life change. And when Damon offers Caroline advice on how to cope with everything going on around her, it forces him to revisit painful memories involving his own mother.

Oscar Madison reluctantly agrees to let Felix Unger, his uptight former college roommate, move in with him after both of their marriages fail.

When Red tips Liz off about the disappearance of a polygamous cult leader with dangerous shipping containers buried on his property, the task force sets out to investigate. Red utilizes his sources to appease Fitch's last words and tries to track down his hidden safe.

Mary's mother returns to advise Mary that her throne is in jeopardy. Mary makes a shocking proposition to Condé, along with a bold move to reclaim her throne. Francis moves closer to Lola after a setback with Mary, while King Antoine makes Kenna an interesting offer.

In the Special Crime Unit's most harrowing case yet, the team has three days to save a teenage girl who has been abducted by a slippery online predator. The team soon learns that this is a deeply personal case for Backstrom, who is jolted by the girl's resemblance to the victim of an unsolved case that he was assigned seven years ago. Meanwhile, Detective Sergeant John Almond's church faces eviction when he neglects to pay rent three consecutive months.

Charlie Harper is alive. Or is he?

Alyssa Milano reunites all 14 designers to debate the fashion, fights, and turmoil from this season; moments and drama from inside the workroom; the designers give updates and answer viewers' questions.

As the bidding for Olivia Pope continues, the gladiators fight to save her but The White House fears that they may lose her for good.

Get on board with the Pawn Stars when Rick checks out an 1800s first edition book about the Underground Railroad. Containing first-hand experiences from slaves who escaped, will Rick go the distance to get his hands on this rare piece of history? Then, Rick gets ready to play ball when a full set of a baseball cards given only to troops during Desert Shield is brought in. Can he score the winning run or will he get thrown a curveball? And later, Chumlee tries to come up with his own collectible trading cards. Will Chum be able to cash in or will Rick stop the presses?.

More details concerning Charlie Harper are revealed.

Play that funky music with the Pawn Stars when a signed Red Hot Chili Peppers album sizzles into the shop. Will Rick take this piece of Rock and Roll history to "Higher Ground", or will he "Give it Away"? Then, Corey saddles up when a Mobo Bronco toy gallops in. Will Corey horse around on the deal, or will he pony up? And later, when Chumlee gets in trouble for wearing a hat to work, he decides to bend the rules. Will Chum pull a hat trick, or will he get in over his head?.

Joe, Sal, Murr, and Q hit the supermarket to mess with shoppers in an epic game of Hide-and-Sneak, the guys draw straws at a BBQ joint, and tonight's loser gets a bad case of stage fright while giving the performance of his life.

Annalise is wracked with guilt and turns to an unlikely source for help. Meanwhile, Bonnie must step up and represent a new client accused of rape.

In the aftermath of a violent shootout, Alex must convince the FBI to risk a dangerous covert operation to find Mikhail's hidden cache. With Agent Prado at his side, Alex leads a team to Philadelphia to retrieve the laptop from a secure government building, but Victor is a step ahead and orders the O'Connors to break in and steal the laptop first. Meanwhile, Katya discovers one of Natalie's most dangerous secrets, and forces her to choose between love and family. Also starring Scott Cohen, Alex Peters and Kenneth Choi.

A rescue mission turns into an out-of-this-world visit to Area 51.

Doug discovers that he is a male feminist; Sandra takes a rideshare for the first time.

Holmes and Watson follow a blood trail into the world of wrongful death compensation when they investigate a series of murders in which the killer leaves envelopes of cash on the victims. Also, Holmes makes a generous gesture towards Watson as she suffers through the aftermath of a personal crisis.

Ragnar and Lagertha's fleets depart Kattegat once more for Wessex but this time they bring settlers. King Ecbert hosts the Vikings and proposes a deal. Despite the misgivings of some of the other leaders, Ragnar leads his forces into battle once more, but this time as allies of Wessex.

Conan O'Brien was joined by the cast of "Hot Tub Time Machine 2", including Clark Duke, Craig Robinson and Adam Scott; and Ronda Rousey, plus music from Hanni El Khatib.

Tonight Jimmy's guests are actor Martin Short and actress Ruth Wilson.

David Letterman was joined by Don Cheadle, Ilana Glazer and Abbi Jacobson, plus music from Mikky Ekko.

Bosch gains a new ally in his ex-wife Eleanor. Deputy Chief Irving makes a series of deals that will shape the future of the police department - and possibly even the city itself. Waits's disturbing focus on Bosch intensifies.

Seth was joined by Mae Whitman and Carolina Herrera.

Host: Will Arnett; Guests: Lauren Graham, Jennifer Aniston, Busy Philipps, Tom Papa

Renowned astronomer Marmion gathers the Royal household to his impressive observatory in a transformed old fort to watch a solar eclipse. Rochefort along with The Musketeers escort them but could never have predicted the twist in fate that ensues and the impossible choices that must be made. Who is Marmion really and what is his game? The Musketeers are forced into the fight of their lives with dramatic consequences. Will they accept Milady's help despite their loathing and mistrust of her? It might be their only chance to save the King, Queen and themselves.

Russell Crowe joins Adam Hills and co-hosts Josh Widdicombe and Alex Brooker to review the main talking points of the week with irreverence and satire

Guests include double Oscar winner Sean Penn, talking about his brilliant career and action thriller The Gunman; comic actress Celia Imrie, appearing in The Second Best Exotic Marigold Hotel; and top comedian Ross Noble, about to join musical hit The Producers. Plus music and chat from Kelly Clarkson, who performs Heartbeat Song.