Drama swirls ahead of the family's traditional night of caroling as Joy catches Sean in a lie, Emmy questions Matt's career goals, and Don upsets Nancy.
On the first day of his visit, Matt gets a crash course in Quinn family dynamics when Don brushes him off and Kayla has a relationship crisis.
Emmy learns the truth about her job opportunity, Matt endears himself to Emmy's siblings, and a nervous Don prepares for his big date with Nancy.
Reeling from the state of her relationship with Matt, Emmy calls out Don on his controlling behavior. Kayla opens up on New Year's Eve.
On Christmas Day, Emmy eagerly awaits Matt's proposal, Don makes another misstep with Nancy, and Kayla rethinks her decision about her marriage.
As Don tries to rally the family for Midnight Mass, Patsy and Todd share big news, while Matt looks for signs about whether he should propose to Emmy.
It's the Sunday before Christmas, when the Quinn men watch football and the Quinn women decorate the tree. But this may be the year traditions change.
Join Russell as he pulls apart the political chaos, chats with cult film director Kevin Smith, and goes down the pub with Hollywood royalty Elizabeth Banks.
Devon accuses Cane and Amanda of working together, Amanda calls Elena a gold-digger, and Chance reminds Adam he owes him.
Lucky struggles without his anxiety medication. While waiting for a chemist to open in Port Agusta, Meg picks a fight with bikers at the pub.
Self-destructive musician Lucky hasn't spoken to his family in years, but he packs up his battered old piano for a 4,000-mile road trip across Australia when he hears his estranged mother is dying.
Mike's restoration of a 1966 Pontiac Parisienne connects him with Rust Valley's most oddball residents, as does a major swap meet, while his son Connor pushes him to help out a friend recovering from tragedy.
A pioneering complex marked by both glory and tragedy that's soon to be lost forever, and towering remains from an industrial age.
The barristers examine the case of a lawyer and former army major who was hanged for poisoning his wife with arsenic in Hay-on-Wye in 1921.
Nicole Curtis takes on her most personal project ever -- a 1950s ranch-style home her grandparents built by hand. She restores the kitchen to its original layout and transforms the dingy work basement into a party-ready rec room.
When a woman is found hanging from a bridge, it appears to be straightforward suicide, but Balthazar finds it strange that another victim died the same way days earlier after using a blind-dating site.
Balthazar and Bach travel to a remote mountain village when a husband and wife suffer a knife attack that bears the marks of a serial killer who is supposedly in prison.
Shane Torres questions why everything bagels and plain bagels are the same price, and wonders what it would be like to attend the funerals of everyone you've ever had sex with.