Bob and his dad, "Big Bob", try to outdo each other in the kitchen when they rehash an old argument at Big Bob's Christmas party. Meanwhile, the kids compete to get the best present for Bob.

“The Pontiac Bandit,” aka Doug Judy, is back in custody, after jamming up Jake and Rosa in his previous encounter with them. But when Rosa discovers that Judy knows the whereabouts of the “Giggle Pig” drug leader, Capt. Holt offers the perp a plea deal to help track down the drug kingpin. Meanwhile, Gina and Boyle are nervous that their parents might be getting too close, and Santiago makes Holt a Christmas gift against his wishes.

The CSIs investigate a murder at the Clark County jail after an inmate stumbles upon a body while running away from officers.

After running into Jesus at the Quahog Mall, Peter is stunned to discover that the Son of God is still a virgin. So, he enlists Quagmire and Cleveland to help him throw Jesus the best birthday ever by finding a way to help him become a man.

The security breach at the Embassy has far reaching consequences.

Bo goes to hell and back to rescue a friend while Tamsin faces a foe from her past.

Storybrooke is in a state of chaos with all the residents under the Snow Queen’s Spell of Shattered Sight at each other’s throats. Emma and Elsa race against the clock to free themselves of the ribbons and take down the Snow Queen and her curse. David can only watch when Regina clashes with Mary Margaret in an epic battle. Meanwhile, Gold gathers Belle and Henry as he prepares to leave town forever, and Will Scarlet looks to square his tab with Hook. Kristoff’s thick-headedness leads Anna to a heartwarming discovery.

Arcadians mourn the loss of a beloved member of the community. The stem cells from Rachael’s baby do provide the cure for the virus, but when Rachael suddenly goes missing, Bellamy and Maggie turn to an unexpected source for help. Henry learns the truth about Margaret and his family’s role in the factory fire.

Jack is torn between Emily and the new woman in his life, while Nolan and Louise bring Southern charm to East Hampton.

Distracted by her burgeoning small business, Helen tasks Noah with representing the family at a literary award ceremony for her father, Bruce. A chance encounter with Alison and her grandmother leads to an uncomfortable truth.

Someone is killing off potential Librarians and it's up to Flynn Carsen and his new Guardian, Colonel Eve Baird, to save the three that are left.

The Serpent Brotherhood is trying to return magic to our world. Flynn, Baird and the potential Librarians must stop them before it's too late.

Lisbon goes undercover as a prison inmate in order to get a convict to turn on her boyfriend, who is the leader of a high-end car theft ring.

Incarcerated for contempt, Will refuses to reveal the name of Neal's government source. Appearing to embrace Pruit's mandate to capture younger viewers, Charlie orders a reluctant Don to track down principals in a sexual-abuse case at an elite college. Sloan voices her objection to a new digital site built by Neal's replacement, Bree. Stranded in a Moscow airport, Jim and Maggie look to land seats for a Cuban-bound plane, hoping to interview one of its high-profile passengers.

After Moe convinces Homer to stay out drinking on Christmas Eve, Marge tells Homer not to come home. This leads to Homer's sad trek through lonely Springfield, where he learns that the only place where one should truly get drunk on Christmas is home.