Gordon and Bullock become suspicious of Barnes, and comb through evidence of the murder at Lee and Mario's engagement party. Nygma goes to Penguin when he hasn't heard from Isabella. Meanwhile, Ivy reveals her identity to Selina and Bruce, but quickly leads them to trouble

Glossaryck lets Star pick any page in the book to learn some new magic. Star chooses a mysterious chapter, but Glossaryck tells her it is very dark magic and that he will only let her get a short peek at the page. However, Glossaryck is summoned to the Bureau of Magic; he tells Star not to turn to that page, and his consciousness is dragged away into another dimension. While Glossaryck must deal with a not-so-helpful receptionist and has a difficult time getting to the top floor because the magic system is "on the fritz", Star is tempted to turn the page, and enlists Marco to help do it.

The Guardian debuts to lend a hand after a parasite alien drains Supergirl of her power. Mon-El considers a less than desirable new career which then leads him to contemplate his motives. Alex struggles with a new reality.

When Kevin takes a job as a bartender, he goes too far when he starts dispensing unsolicited advice to his customers,.

The five remaining couples advance to the Semi-Finals in one of the show's tightest competitions ever. Each couple will dance two dances - one being a style the couple has not danced to yet, and the second being a Trio Dance, in which each celebrity couple will dance with a third dancer.

Garth Brooks will serve as a key adviser for the Top 12 artists. The top 12 artists perform live in front of coaches Miley Cyrus, Alicia Keys, Adam Levine, and Blake Shelton for America's vote.

While Murdoch investigates a football player's death, Brackenreid gets caught up in the team's Olympic quest.

Stan goes over-the-top to produce a reenactment of Charles Lindbergh's solo flight for Steve's school project after he gets an F. Klaus buys a pair of shoes online and Hayley helps him harass the neighbor they believe has stolen them.

Marco shyly tries to ask Jackie Lynn Thomas out on a date, but finds that he is blurting out embarrassing things about himself. He then discovers he has sprouted a small little head out of the side of his neck that is saying all those things. It is a Naysaya, a curse that Tom had placed on Marco so that Marco would not be able to ask out Star. The Naysaya can only go away when it is appeased, so Marco tries giving it what it wants, which is some cereal, but it doesn't go away. Marco meets Jackie again but the Naysaya starts to act up, so Marco decides to spill out all his insecurities in front of Jackie.

When Don encourages Adam to clean out his cluttered garage and turn it into a man cave, Adam panics when he thinks he donated one of Andi's treasured keepsakes.

Jane convinces Alba to let her read the letters from her estranged sister, but under the condition Jane doesn't reach out to her family. Rafael is starting to suspect that something is different with Petra. Meanwhile, Michael and Rafael, with the help of Jane and Rogelio, try to create a civil friendship, but it doesn't go as smoothly as everyone hoped.

If the guys can't get a mammoth 1929 Roadster safely down a decaying 100-year old elevator, they will be $20,000 in the hole; Mike uncovers a surprise when he hears hissing coming from beneath an out-of-control collection.

After discovering that Azrael's blade has been stolen by a human, Lucifer quickly connects it with a string of violent stabbings revolving around a local yoga studio. While Chloe investigates the murders, Lucifer enlists Ella's help in locating the sword to stop the carnage.

Daisy and Lutz's paths converge while investigating a new suspect in the murder of Khaalid, and Judge Reeves resigns from the Commission. They work together in order to track down the suspect, and Daisy decides to "get honest" with Lutz about the substance abuse in her past. Simon makes the connection between Lawson's big development project, the super jail, and Attorney General Sam Charles.

Ozzie's former boss, Jonathan Walsh, makes a surprising visit to Beacon; the origin of StarCrossed is revealed as Gina takes a trip down memory lane.

MacLaren tries to unravel the mystery of his team's disappearance.

In 2033, the first human mission to Mars enters the red planet's atmosphere but the crew of the Daedalus faces a life-threatening emergency when the ship's landing system goes offline.

The 405 rushes to get ready after receiving a last minute call out from Ohio. Farmtruck and AZN go fishing for a hot rod and Kamikaze gets ready to bring the El Camino back. When the racers from Ohio arrive, the 405 try to prove again they are the fastest on the street.

When the girls take a bartending class in order to add cocktails to their dessert bar menu, Caroline must think quickly when she has to take the class exam solo after Max gets chicken pox from Han. Also, Sophie creates a creepy lookalike video monitor doll to keep tabs on baby Barbara.

Dani's excitement at being promoted is cut short when Oscar tasks her with the daunting job of hiring her own replacement. Also, Felix tries to plan the perfect surprise after Emily admits she misses England.

When Team Scorpion travels to Ireland for Megan's one-year memorial, Walter discovers that a nearby lake's natural disaster has created a poisonous cloud that could kill everyone in the village. Also, Cabe and Toby try to alleviate the tension between Tim and Walter.

The mystery behind the greatest political scandal of the 20th century is finally solved when Flynn beats our team to the punch in Richard Nixon's Washington. While Rufus and Lucy are set on an investigative course that leaves them both rattled to the core, Wyatt's tragic past erupts, and the secrecy behind Flynn's hidden agenda begins to unravel.

The accidental death of a young African American boy, shot by a cop, sparks a racial firestorm and inspires Hayes to re-examine the controversial case of Porscha Williams. Williams, a devoted African-American civil-rights activist and leader, is serving time for killing a white female cop at a race equality rally five years ago. Conflict erupts among the CIU team when personal experiences shape their differing perspectives of the Black Lives Matter movement. Meanwhile, Maxine finds herself torn between her racial identity and her chosen profession, as she follows the case to its shocking conclusion.

Jordan and Paige prepare to celebrate the biggest holiday of the year, but when Potco is buying up all the independent dealers, it seems the girls may not have a very merry 4/20 after all.

A 1769 set of playing cards with hidden political message shuffles into the shop. Also, Corey checks out a set of Charlie's Angels figurines. Rick lights up when an antique stained glass lamp illuminates the shop.

Sam addresses America's empathy failure.

Host Neil deGrasse Tyson interviews best-selling author Andy Weir.

President-elect Donald Trump backs down on key campaign promises, Nate Silver discusses FiveThirtyEight, and Adrian Grenier talks about the Lonely Whale Foundation.

Coming Soon...

Coming Soon...

Stephen welcomes Eddie Redmayne, Senator Bernie Sanders, Alton Brown, and Chris Thile sitting in with Jon Batiste and Stay Human.

Coming Soon...

David takes a freelance job videoing a bris and accepts Getty's invitation to lunch in the city. Back home, Judy enjoys Ladies Night with new friends, while Sam goes on a blind date.

Rhea Butcher, Joel Kim Booster and Gelmania (Brett Gelman, John Gemberling and Cyrus Ghahremani) perform.

Coming Soon...

Coming Soon...

Part two of two. A conflicted Guy fights to save Tristan's life, and Raf's budding relationship with Kim is tested when he makes a shocking discovery. Meanwhile, spurred by evidence of Essie's romantic conquests, Sacha tries online dating, but is it really a good match for him?.

Fletch and wife Caz are the rock-solid office couple, but when Caz oversteps the mark, sending Fletch on a downward spiral, he wonders if she really is the right woman for him.

Jimmy Carr hosts, while team captains Rob Beckett and Aisling Bea are joined by Joey Essex, Cathy Newman, Roisin Conaty and Nish Kumar