A lawbreaker's polite and respectful demeanor surprises deputies. Suspicious activity at a gas station leads one officer to rely on her instincts. An argument over dinner results in a call to the cops.

A pack of monsters calling themselves the 'Clan of the Seafolk' arrive on the shores of City J intent on invading the land. When the hero sent to fight them is defeated easily by the Deep Sea King himself, Saitama and Genos head for the city to help.

Ruby helps Fisher and reveals her family's connection to the Evil Dead. Ash and team follow a clue from the demon Eligos, but Kelly pays a price.

Leo's paranoia isolates him from his friends; Lucrezia searches for a way to make amends for past sins.

Rocket is abducted and taken back to his home planet, Half World, where he gets caught up in a revolution of evolved former test subject animals.

As a consequence of their actions in Cornwall, Uhtred and Leofric face off in a death match; the Danes launch an invasion on Wessex.

Les simulates a broken leg so that a Romanian search and rescue team will locate him in the Transylvania mountains.

Host Matthew McConaughey; Adele performs.

Joe is increasingly torn between duty and his growing feelings for Juliana. While Ed tries to stop Frank from making an irrevocable decision, Smith's investigation is interrupted when he has trouble with his witness, and Tagomi's plan goes awry as events take a dramatic turn at the Crown Prince's speech.

Jessica vows to prove Hope's innocence, even though it means tracking down a terrifying figure from her own past.

Sarah is supported by the community in her grief. With her family in tatters, Elizabeth refuses Douglas' offer of a deeper friendship. As their romantic dream finally shatters, Anna returns to Ash Park. Regina takes extreme measures to further ensnare George.

Wracked with guilt after failing to get to his grandmother Maggie before Captain Dance's men, Robert, Lily and Garson work tirelessly to cure her of sepsis. Garson makes the chance discovery that Hyde's blood has antibiotic properties. Dance and Bulstrode play cat and mouse in their pursuit of Hyde because Dance believes that only Hyde can help him resurrect the demonic Lord Trash. Robert risks everything by turning into Hyde, but will he be able to save Maggie?.

Eight couples are reduced to seven. The professional dancers open the show with a classic number, honouring the legacy of the Blackpool Tower Ballroom, and Take That perform their new single.

Jesper Berg continues as the country's prime minister from within the US Embassy, but the Americans are not particularly thrilled about Jesper Berg's politics and offers him a ticket to Switzerland.

Caroline and Olly present the results of the viewers' vote, revealing which acts are safely through to the next round. The two lowest scoring contestants compete in a sing-off in front of judges Nick, Rita, Cheryl, and Simon to decide who gets eliminated. Plus, Olly performs his latest single "Kiss Me" and Nathan Sykes from the Wanted sings his solo track Over and "Over Again".

Sara is forced to take time off from the investigation, but Henrik demands that she return. Together they manage to find the link between the victims and the perpetrator.