After coming in contact with a substance by the hand of Mad Hatter, Jim Gordon gets led on a psychedelic trip and must confront his past, present and future. Meanwhile, Penguin struggles with Nygma's new relationship.

When Kara and Alex investigate the murder of an unregistered alien, the trail leads to an alien fight club run by Roulette, the ringmaster who commands aliens to fight in mortal combat for the entertainment of rich humans. While trying to stop the fighting, Supergirl and Martian Manhunter find themselves up against a surprising opponent. Meanwhile, Hank is thrilled to have found another Martian and tries to get to know M'Gann better. Supergirl takes Mon-El under her wing and begins to train him.

On Halloween, Kevin and Donna's neighbors "trick" them in holiday style when they pretend not to be home to avoid giving out candy. Also, Chale has an altercation with a man dressed as a Viking.

The seven remaining couples compete on a Halloween-themed night.

It's the final night of the knockouts and only one steal remains.

Murdoch and Ogden are faced with the possibility that they sent an innocent man to prison when a murder case is reopened.

When Adam's client offers him two highly coveted tickets to a Pittsburgh Steelers game, he is stuck between choosing to take his wife, Andi, or his brother, Don.

Jane continues to work on her thesis and she decides to add Alba's estranged sister to the narrative, much to Alba's dismay. In order for Rogelio to have a chance at being an American crossover star he decides to bring the Passions of Santos to The CW in hopes they will pick it up. Xo thinks about abandoning her dream of being a singer for something more realistic. Meanwhile, Luisa is forced to make a choice between her family or Rose.

The guys encounter a mad scientist who creates his own lightning and hypnotizes Frank.

Guilty and self-destructive, Lucifer clashes with Chloe during an investigation, leading her to team up with Dan instead. Meanwhile, Amenadiel bonds with Charlotte, and Maze takes Trixie trick-or-treating.

Daisy and Simon track down more details about the photo of Orlandio and Judge Reeves, and their investigation leads to an even more shocking discovery. Khaallif is arrested during a Guns and Gangs raid and Hassan goes on the run.

Things get weird for journalist Ozzie Graham after a suspicious car accident sends him searching for answers at StarCrossed, a support group for alien experiences.

A team member buckles under the guilt of not being allowed to prevent future deaths and puts the travelers in jeopardy.

The list is shaken up when Daddy Dave pulls Henson's Plan B from the one spot and starts from the ten spot in his own car. Farmtruck and AZN faceoff. Also Doc and Shawn prepare to race for #1. Meanwhile, Chief gets ready for his long march up the list.

When Caroline and Max are invited to speak about their business at Caroline's alma mater, the University of Pennsylvania, Max takes the opportunity to give Caroline the college partying experience she never had. Also, Oleg's attempts to bond with baby Barbara are rebuffed by a possessive Sophie, and Han practices his magic tricks with a reluctant Earl as his assistant.

Oscar sets out to prove to Charlotte how he's capable of being responsible when he volunteers to take her son Caleb trick-or-treating on Halloween, while Felix celebrates the holiday by leading the kids in their building on a haunted history tour.

Trying to win over Ozzie, Gerry goes above and beyond what a good sponsor would do; Chelsea opens up to Father Doug about her marriage; tensions run high as Jeff, Don and Kurt prepare for the alien invasion.

Before Halloween, Team Scorpion must infiltrate a deep, vast cave system in order to prevent a bat population from destroying the North America ecosystem. Also, the team dons costumes to stage photos from Halloween's past for Walter's upcoming immigration inspection.

After one member's fired from the team, Flynn returns to a pivotal event in the war over Texas-the Battle of the Alamo. Our team finds themselves stranded inside the famous fort, surrounded by Mexican soldiers, knowing that everyone inside is fated to die. Now, with no hope of rescue and facing insurmountable odds, the trio of heroes learns the meaning of trust and sacrifice from people prepared to die for those around them.

After the death of his wife, Sheriff Miller is forced into retirement and replaced by Evie Barret. Evie discovers the town is possessed by demons, and that Stan's wife was the only one keeping them at bay. Stan and Evie must join forces to stay alive.

A cast-signed helmet from the TV series "Lost in Space"; a pair of sneakers signed by retired NBA player Robert Parish; a mystery object that cause Rick and Corey to scratch their heads.

Sam takes on trolls, conspiracy theories and the alt-right movement; a conversation with President Obama.

In this Halloween episode, Jeff Ross and The Best F#@king News Team join Trevor for a look into the post-apocalyptic world of a Donald Trump presidency.

The Sugar Hill Gang performs; from the Apollo in New York City.

Coming Soon...

Stephen welcomes Ruth Wilson, JB Smoove, and the Ghost Brothers.

Coming Soon...

Rachel Bloom, Baron Vaughn and Ian Karmel perform.

Coming Soon...

Coming Soon...

After saving a life in a near-death trauma case, an overconfident Morven clashes with Raf when he is not convinced that her motives are purely professionally.

When Tristan asks Guy for a personal favour, Zosia warns Guy that Tristan is not to be trusted. But Guy strikes a deal with Tristan and his reputation hangs in the balance.

When his living habits are called into question, a determined Dominic fights to prove his worth to Isaac but is unprepared for the consequences of his actions.

There's drama at the park as Adam confronts the protesters about his building plans. But Lisa is having none of it.

By day Toke is a manager, but by night he becomes someone entirely different. When Toke finds a young girl in need, he has to question just how far he is willing to go to save her.

While the Medici are in exile in Venice, the situation deteriorates day by day in Florence, with Albizzi imposing his rule over a city gravely depleted by the absence of the Medici.

Exasperated comics are set absurd tasks! Before the series winner is crowned, we find out which celeb has the dishiest relative and why Rob Beckett is mad at peas.

The return of the Medici to Florence is an out-and-out triumph, with Albizzi in prison for his attempt to become the city's "tyrant".