Designated Survivor Shake-Up, Riverdale's Killer Showdown, Mr. Robot Finale and More

Fall finale: Cookie and Lucious concoct an elaborate plan to take down Diana Dubois and her family. (Was that kiss long overdue?)

Fall finale: Veronica discovers that Hiram has been keeping a secret; Betty and Archie’s vow to take down the Black Hood Killer culminates in a dangerous showdown. (Watch Tonight Show spoof.)

Season 4 premiere (two episodes): The four cornerstones of the Library of Alexandria are exposed; the Librarians investigate a bad luck curse. (View poster.)

The castaways battle it out to win individual immunity and clinch a spot in the final five. (The three-hour finale airs next Wednesday, Dec. 20.)

Fall finale: Beverly is upset when Erica decides to spend the first night of Hanukkah with Geoff and his family.

Fall finale: Dylan wants the family to get a dog; Ray arranges a meeting between Maya and his girlfriend’s mom (Scrubs‘ Sarah Chalke).

Two hours: Will & Grace‘s Eric McCormack and Debra Messing host this retrospective, featuring interviews with Nicole Kidman and others.

Fall finale: The Carringtons’ peaceful family holiday proves short-lived; Blake endures a power struggle with his father.

Fall finale: The Midtown artists prepare for the big showcase; relationships are put to the ultimate test.

Fall finale: Claire lands a major deal for Pritchett’s Closets; Pam’s ex-boyfriend (guest star James Van Der Beek) shows up at Mitchell and Cam’s house.

Fall finale: The Ottos face their first Christmas apart after Doris goes into labor; Taylor gives Oliver a few pointers on how to ask out a crush.

Season 2 finale (80 minutes): Joe’s family gathers for his end-of-year show at school. (Not yet renewed.)

60 minutes: In this special, onetime Daily Show correspondent Ed Helms parodies the 24/7 cable news cycle.

Season 3 finale (72 minutes): Elliot’s efforts to save Darlene don’t go according to plan. (Get renewal status.)