With Rory and Ava at odds, Sara tries to come up with a way for them to get along, but all is put on hold when a new magical creature attacks the Legends. Constantine is forced to confront his tragic past but it could have devastating consequences for the rest of the team. Meanwhile, Mona has a crush on someone she works with and gets some advice from Nate.
Grindah and Miche take a visit to the GP, as Grindah is convinced he has asthma whenever moving away is mentioned. Steve's probation officer visits and the rest of the crew go out their way to hide any evidence of the radio's existence. Meanwhile, things aren't looking up for Chabuddy, who gets fired from the electronics store, and starts to question his dubious relationship with Carol.
Alexis grapples with caring for a special-needs baby alone, Juelz worries that his legal battles will keep him from his kids, and Jonathan confronts Juju at his birthday party.
Lisa Vanderpump finds herself behind schedule on TomTom, the new bar she’s opening with Tom Sandoval and Tom Schwartz. James lands in hot water with the group after insulting Brittany. Scheana settles into single life. Jax proposes to Brittany.
Dr. Shaun Murphy and Dr. Alex Park treat two patients who collapse at the local airport and whose symptoms point to an infection that may become airborne. The staff races to contain the infection before it spreads to the rest of the patients in the ER, resulting in a hospital quarantine during the holidays.
Actress Mandy Moore is shocked to discover ancestors who lived in Australia and travels far, determined to unlock the mystery of how they got there. Moore is touched by the courage of those who made the journey and the sacrifice of those who were left behind.
The Nowhere Boys are back and Luke's attempts to convince the Gang that a new threat is imminent are dismissed – until the threat proves too big to ignore.
Felicity stands by her recent decisions regarding her family. Meanwhile, Diggle and Lyla continue to look into the Dante painting that Curtis found.
Nine friends embark on an epic three-week adventure in the Bahamas. Barrett and Danielle take their first trip as an official couple. Vanessa flaunts a new flame to make ex-boyfriend Max jealous. The group adjusts to Capt. Jack who runs a tight ship.
D'Branin puts his team first as panic spreads. Eris resorts to bold measures to restore balance.
Patient 101 is wheeled into Dream Corp LLC as part of a court-ordered evaluation. Dr. Roberts struggles to navigate Patient 101's subconscious and calls on the entire staff to help contain their most challenging patient to date.
Country music performers Travis Tritt, Shania Twain and Jake Owen showcase upcoming musicians in Nashville.
When Calvin and Tina learn Marty has a new girlfriend, Chloe, they insist he invite her over for dinner, with surprising results.
Bob and BoBo are in pursuit of a clapped-out white van through the back streets, where a dead end brings the vehicle to an abrupt halt and the occupants make off on foot. Martin clocks a driver speeding at more than 100mph, while Kev and rookie Oliver expose a cunning insurance scam.
Mackenzie and Ryan welcome their first baby into the world, so Maci wants to make sure all the kids have a big, happy, blended family; Bristol feels guilty about Tripp's dwindling relationship with Dakota after the divorce.
After Nia Jax & Tamina prevented Raw Women’s Champion Ronda Rousey from helping Natalya fight off The Riott Squad, The Baddest Woman on the Planet got some backup in the form of The War Goddess, Ember Moon. Find out how Hot Ronda put The Irresistible Force on the defensive en route to their title collision at WWE TLC: Tables, Ladders & Chairs.
Dr Roberts wrangles Randy for his biannual session. T.E.R.R.Y. struggles with his conscience.
Lisa and Homer's bond gets stronger when they start spending real quality time together, and Bart feels neglected. So Marge tries to help Homer balance his attention between the kids.