Gabi heads to the desert on what should be the greatest road trip ever, but she can't seem to leave her mixed feelings behind. When she hits a bump in the road, Gabi must do what she does best in order to save the trip. Back in the city, Elliot and Alan cut their honeymoon short, forcing Yolanda to step in as marital counselor in hopes of ending the newlyweds' lovers' quarrel. Meanwhile, Josh's chances at love may have just literally passed him by.

Laura and team investigate a Men's Rights group implicated in the murder of the city's top sports surgeon. Billy and Meredith take their relationship to the next level.

The best performers from the auditions are in Hollywood as they continue to sing in front of the judges hoping to make it through to the next round.

When Max reconnects with an old friend, Caroline's jealousy inspires her to try to make some new friends of her own.

While Nyssa usurps control of the League of Assassins from its new leader, Malcolm is busy in Star City tending to his ailing daughter. Meanwhile, the team battles a new villain calling himself the Calculator, and Roy Harper returns to town.

Molly is surprised after it is revealed that Joyce has decided to leave the house to Victoria after she dies.

Riley faints after Danny asks her to marry him; and when she wakes up, she has no memory of his proposal. Trying to move on from Riley, Ben decides to find "his Riley" and immediately hits it off with new neighbor Zoey. However, Ben is shocked when their first date reveals he and Zoey have more in common than he thought. Bonnie is determined to finally marry Brad after many aborted attempts, and believing Ben and Danny are to blame, enlists Tucker to help her tie the knot without her sons' knowledge.

Franz Faber tries to get Alfred to break using inhuman techniques. Sinclair leads the team on a rescue mission in France.

The guys go see a man with a puzzling nickname who hasn't thrown away anything since the 1950s, and he isn't shy about flaunting his favorite underwear, which comes as a shock to Mike and Frank.

On a summer's night, there's nothing more magic than watching the soft glow of fireflies switching on and off. Few other life forms on land can light up the night, but in the dark depths of the oceans, it's a different story: nearly 90% of all species shine from within. Whether it's to scare off predators, fish for prey, or lure a mate, the language of light is everywhere in the ocean depths, and scientists are finally starting to decode it. NOVA and National Geographic take a dazzling dive to this hidden undersea world where most creatures flash, sparkle, shimmer, or simply glow. Join deep sea scientists who investigate these stunning displays and discover surprising ways to harness nature's light-from tracking cancer cells to detecting pollution, lighting up cities, and even illuminating the inner workings of our brains.

A woman is followed home and raped outside her building, where several neighbors witness the crime but fail to call for help.

Sam and Dean drop in on Jody Mills, Claire, and Alex after receiving a panicked phone call from Claire. She believes the recent murders in town are supernatural and wants the boys' help. However, Sheriff Mills tells Sam and Dean that Claire has been getting into trouble lately as she's been attacking normal people and accusing them of being monsters.

A rubber-duck hunt determines which ingredients the contestants will use with duck in a team challenge; the winning team spends the day on a yacht while the losers prepare a duck appetizer. Guests for dinner service include Kris Jenner and Dita Von Teese.

The artists have to make realistic disguise makeup for their Focus Challenge.

In this special episode, the Duck Commander team surprises two wounded veterans with a trip to Monroe so they can be in an episode of Duck Dynasty. To show their support, the Robertson family stages a "color run" to bring awareness to our wounded soldiers.

New hyperspace routes are needed due to Imperial pressure and after the rebels discover a shortcut they must first gain permission to use it.

Lindsay goes undercover in an effort to track down a rogue police officer targeting women leaving a local casino. When Detective Martin Watts, who oversees all cases out of the casino, gets word of the investigation he becomes involved much to Voight's dismay. After recent events, Burgess sets plans in motion to transfer Districts pending Platt's approval, and Mouse attempts to lift Ruzek's spirits by offering to set him up with a friend. Meanwhile, Antonio volunteers to take Roman's place in the upcoming boxing match against Jimmy from Firehouse 51.

In the hours after Eric is forced to openly discuss his sexuality, Taylor must defend his actions on the night of his alleged assault to the police; Anne struggles with the discovery that her son is gay; a critical decision by the detectives makes some involved feel as though the worst may be over; and at Marshall high school, Chris deals with the aftermath of a seemingly innocuous incident that begins to take on racial overtones.

Hoping to learn more about Liza's life, Josh attends a dinner in Jersey with her, and receives a hard dose of reality.

The doctors are questioned following a violent incident inside the hospital that leaves two doctors gravely injured. Also, Neal and Christa make their relationship to the next level after officially disclosing their romantic relationship to HR.

Dennis and Mac make their way to the suburbs looking for cheap rent and open spaces but they soon find out that they are meant for city life.

Mike and Louis must identify an anonymous tipster in order to diffuse a damning piece of evidence. Gibbs isn't just after Mike, she's set her sights on Jessica and Harvey as well.

A hand-painted, signed guitar from Def Leppard's Phil Collen rocks into the shop. Then, a pair of sneakers signed by NBA legend LeBron James hit the floor. Next, Rick checks out a 19th century carriage clock. Finally, an original Mogen David wine ad displays itself.

Josh is finding it difficult to make a decision regarding his career.

Chelsea arrives disheveled after a night of great sex, but is ashamed to have anyone find out it was with Sam, the school janitor. Meanwhile, Mary Louise takes over Cecilia's class for a day, and causes conflict when she tells the students they don't need to learn science because you can explain everything with God.

Ben Carson and Donald Trump accuse Ted Cruz of stealing the Iowa caucuses, Roy Wood Jr. examines racism in porn, and Hannibal Buress discusses "Comedy Camisado".

Josh Brolin, Tom Segura and Cage the Elephant are tonight's guests.

North Korea announces its plan to launch a satellite, and Larry discusses Mattel's new line of realistic Barbie dolls with Wendy Williams, Rory Albanese and Grace Parra.

Producer Martin Scorsese (Vinyl (2016)); Gillian Jacobs (Love (2016)). Also: The Chainsmokers perform.

Stephen welcomes Dr. Phil, creators of "Togetherness" Mark and Jay Duplass, author Michael Eric Dyson, and a musical performance by Anderson .Paak and the Free Nationals.

Colton Dunn, Burnie Burns and Gavin Free are tonight's guests.

Actor Alan Cumming; professional baseball player Matt Harvey; writer Alexander Chee; Russell Simins sits in the 8G Band.

James is joined on the show by Rosie O'Donnell and Nikki Glaser.

The pressure is on Bucket when it looks like Dodger might risk the noose rather than betray Fagin. Frances tries to manage the situation Honoria has thrown them into and Compeyson offers Arthur a deal he can't refuse.

The pressure is on for Charles and Isabella. With no hope of outside investment, and with horns still locked with Johnny, money for the viaduct is running out and wages need to be paid. When Charles announces that wages will be delayed, the navvy workforce is up in arms and calls a strike. How long can Charles ignore this problem and will he find the cash in time to keep the men from revolting?

It's time for George to move back into Annie's hut after his time living with Coates at the Steam Truck. But it's obvious that George has things on his mind, and memories of his family's old life still haunt him. Memories that mightn't be all they seem. Annie has buried a dark secret about her family's past that looks to come to the surface now George is back under her roof.

Humphrey is looking forward to his Aunt Mary paying a visit. After she is the only witness to the death of tourist John Green who was thrown from his hotel room balcony she finds herself in the centre of a murder investigation.

Comedian Rob Beckett, former Olympic heptathlon champion Denise Lewis and boxer James DeGale join captains Jamie Redknapp and Andrew Flintoff and regular panellist Jack Whitehall on the sports-based comedy quiz. James Corden asks the questions