The Head of Household is back up for grabs! Who will ascend into power? Plus, in the BB Time Capsule, Devens won the Diamond Power of Veto and Dee earned the BB Bribe. Will the houseguest you choose win a power inside the Time Capsule tonight, or will a punishment be unleashed?

Maggie and Luis look for valuable resources, while Negan and Renata protect the city.

The Librarians discover that the charming scientist Lysa is dating is actually the Red Rock, a superhero battling a crime wave across Belgrade. Are his superpowers, and perhaps the crime wave itself, the result of a magical artifact being abused.

John Oliver discusses how some states in the U.S. have given rights to fetuses, where the idea came from and where things could be headed next.

After discovering an addendum on the Louisiana Purchase receipt, Curtis and his team must race against old enemies and friends to maintain control of the Louisiana Purchase territory.

Joe confronts a breach, driving the team into a risky play.

After a fatal shooting, Green Lantern Hal Jordan and new recruit John Stewart set out to prove it was an extraterrestrial event.

Tensions between Sweeney and Roarke erupt when one of the Westies is busted; Keenan uses the case to pressure Sweeney and earn Polk's trust; Flanagan's personal life unravels; Bridget pushes deeper into her mission as Cahill's motives blur.

Things at home get more dire but it's time to have some fun. Everyone lets loose at the New Year's party where feelings and tensions rise.

Victoria Coren Mitchell hosts the quiz where knowledge only gets you so far. Expect questions such as: what connects Gladiator Kim Betts, David Bowie, Pikachu and The Flash?