BRIEFLY

NEW BATWOMAN: Here's how The CW describes "A Mad Tea Party," the Sunday, Dec. 1 episode of Batwoman:

"Kate (Ruby Rose) and Alice (Rachel Skarsten) continue their sister/nemesis dance, while Alice and Mouse (guest star Sam Littlefield) construct their most evil plan yet. Mary (Nicole Kang) invites Kate to a special event honoring Catherine (Elizabeth Anweis); Jacob (Dougray Scott) makes a decision that leaves Kate perplexed."

NEW SUPERGIRL: Here's how The CW describes "Wrath of Rama Khan," the Sunday, Dec. 1 episode of Supergirl:

Supergirl's (Melissa Benoist) struggle against Leviathan reaches a boiling point as she faces off against Rama Khan (guest star Mitch Pileggi). Meanwhile, as Lena (Katie McGrath) and Hope (Andrea Brooks) work to launch Project Non Nocere, Hope proves to be an invaluable asset to Lena."

NEW BLACK LIGHTNING: Here's how The CW describes "The Book of Resistance: Chapter Three: Pale Horse," the Monday, Dec. 2 episode of Black Lightning:

"Black Lightning goes up against the ASA. Tobias contines to maniuplate Lynn."

NEW ARROW: Here's how The CW describes "Purgatory," the Tuesday, Dec. 3 episode of Arrow:

"Oliver's mission takes him to Lian Yu, where he tries to ignore the repercussions of the looming crisis until he receives help from an old friend. A united Team arrow faces a recognizable villain."

NEW THE FLASH: Here's how The CW describes "The Last Temptation of Barry Allen, Part 2" the Tuesday, Dec. 3 episode of The Flash:

"With the Flash battling Bloodword, Iris and Cisco fight to help Barry take control of himself before he's lost lost forever. The rest of the team fight to reclaim control of Central City from Bloodwork's growing army."

VERY BRIEFLY: The upcoming third season of Runaways will be the final on Hulu.