Austin Butler hosts Saturday Night Live on December 17, 2022, with musical guest Yeah Yeah Yeahs.

Karen replaces everyone in town with actors to impress Elon Musk, Kevin gets an inflatable girlfriend and Dusty obsesses about impressing his father.

The Mighty Ones throw competing surprise parties for Matilda's birthday.

To secure the Prism Shard, the rebels battle the Chaos Council. Then Sonic makes a startling discovery about the events that shattered his world.

Dana and Kevin find themselves back on the farm. A confrontation with Olivia makes Dana reevaluate her purpose. Kevin must find a way to explain his mysterious return to the Weylin family.

While scrambling to learn how to navigate the high-stakes world of international espionage, Owen attempts to track down classified information on Max.

Ida gives an emotional interview while the airport priest continues her effort to unravel the identity of a mysterious traveler.

Chris, Freddie and Paddy deploy science to find the best family car you can buy today, and they set out to buy delivery vans on a budget. Paddy heads to Italy to test out Ferrari's beautiful new Daytona SP3 - and do a spot of minicabbing.

Spurred on by the father of a young woman who also went missing in the 1970s, the detectives attempt to outwit an incarcerated serial killer who may hold the key to the case.

With their investigation complete, Timmons' team submit their file to the Crown Prosecution Service, who charge Lugovoy and Kovtun with Litvinenko's murder. However, with the killers safe in Russia and protected by Putin, the chances for true justice appear to be slim. With the encouragement and financial backing of Russian dissident, Boris Berezovsky, Marina hires Ben Emmerson, a charismatic human rights barrister, to push for an inquest into her husband's murder. This begins Marina's 8 year battle to try and find justice for her husband's murder.