The ballroom has tricks & treats! The couples perform haunting routines and take on a team dance.

In the first ever 3-way Knockout, the coaches group 3 of their artists to perform individually against each other, then select a winner to move on to the Live Playoffs. Each coach has only one steal in the Knockouts.

Murdoch investigates the brutal on-camera murder of an actress during the filming of a movie about the clown killer.

Roger and Steve try to save a dying mall.

Shaun, Asher and Powell treat a young patient on Halloween with a rare hereditary disease, sending them down an uncharted path. Meanwhile, Glassman and Shaun must overcome their differences to work together to try and find a solution for Lim's paralysis.

Now stuck with an unsavory stowaway, Ryan and Billie lock down the ship - with potentially dangerous consequences. Meanwhile, Iris and Judd attempt to blackmail Lucas, Karen claws her way back to the top, and Frank fends off an attack.

Ben leaps into a priest who has been called to assist a family in crisis on Halloween night; as he delves into mysterious and inexplicable events, he's forced to muster all his resources as a scientist before time runs out.

A self-conscious bank teller starts to use an ointment that provokes an unusual reaction.

The Daily Show kicks off a week in Atlanta before Georgia's midterm elections, Michael Kosta explores the city's hot spots, and Trevor interviews Georgia governor candidate Stacey Abrams.

Jimmy recruits two musicians from the audience to face off in Battle of the Instant Songwriters before catching up with guests Daniel Radcliffe, Winston Duke and Caroline Rhea.

Stephen welcomes actress Jennifer Hudson and actress Zosia Mamet.

A viral quiz about naughty deeds sparks arguments and unlikely new friendships. Matthew plans a baby shower for Maury.

Mazzi and Tyson plot to throw a secret party at the church. While working as Moz's assistant, Jade takes on more than she can handle.

Nia and Charlotte work hard to help Wilbur. Samir and Charli gather vital evidence. Village Books hosts Oliver's memorial.

Neil promises to help a friend with his 1930s Morris 8, but it's a financial hit for Cog. Plus, Richard admits to Kamla that work on the MGB will cost more than expected.

Bell and Cammie attempt to steal highly confidential files; Bell calls a family dinner.

A former Jedi is faced with the truth that they cannot be something they are not.

Lucy exploits her connection with Dhillon to track down an elusive teenager, worried he is being targeted by their prime suspect.

Gabriel guides Nathan and Annalise through Paris in the hopes of finding Mercury, but a poorly kept secret threatens to end their camaraderie.

Business is booming for Emma, Rubén and Alfredo's new company - but not everyone is enjoying the ride. Nando and Isa's wedding gets messy.

James welcomes actress Kerry Washington, director Paul Feig, and a musical performance by Rosa Linn.

The war between the Gotei 13 and the Wandenreich begins as the captains discover the true power of the Medallions used by the Sternritter.

It's Pastry Week and the bakers tackle vol-au-vents, a delicious savoury snack and a 3D pie-scape depicting their favourite childhood story. Who will pie-oneer into the semis?

Two bird-named teams take part in an avian stand-off to establish a pecking order.