“Saturday Night Live” (NBC at 11:30) Taylor Swift is the sketch comedy’s musical guest this weekend. Comedian Tiffany Haddish, known for her breakout role in “Girls Trip,” makes her hosting debut. (Rosalind O’Connor/NBC)

(All times Eastern.)

Obey Giant (Hulu streaming) This documentary profiles street artist Shepard Fairey, whose works include the “Hope” poster that became an iconic representation of Barack Obama’s historic presidency.

The Magical Wand Chase: A Sesame Street Special (HBO at 7) Abby Cadabby takes the “Sesame Street” gang on an eventful hot air balloon ride in this family-friendly special.

The Sweetest Christmas (Hallmark at 8) Lacey Chabert (“Mean Girls”) stars in this movie about a struggling pastry chef whose love life gets complicated when she reaches the final round of a prestigious baking competition.

Sunday listings

Fox News Sunday (Fox at 9 a.m.) Rep. Kevin Brady (R-Texas) and Sen. Chris Van Hollen (D-Md.).

White House Chronicle (WETA at 9) Noah Kilroy, assistant city solicitor, Providence, R.I.

Sunday Morning Futures (Fox News at 10) Roy Blunt (R-Mo.) and Rep. Peter T. King (R-N.Y.).

This Is America & the World (WETA at 10 and WHUT at 7:30 p.m.) Daniel Gutierrez, Belize’s ambassador to the United States.

Face the Nation (CBS at 10:30) Treasury Secretary Steven Mnuchin, Sen. Tim Scott (R-S.C.), Sen. Bernie Sanders (I-Vt.).

Premieres

No Activity (CBS All-Access streaming) This comedy series — from Will Ferrell, Adam McKay and the humor website Funny or Die — follows two low-ranking detectives (Tim Meadows and Patrick Brammall) amid a major (but slow-moving) drug bust. J.K. Simmons and Jason Mantzoukas also star.

AMC Visionaries: Robert Kirkman’s Secret History of Comics (AMC at 11) The “Walking Dead” creator takes a deeper look at the people and events behind iconic comic books in this docuseries.

Documentary

Elizabeth Smart: Autobiography (A&E at 9) Elizabeth Smart recalls her harrowing 2002 abduction in this two-night documentary special.

Finales

Star Trek: Discovery (CBS All-Access streaming) The first chapter of the franchise’s latest installment comes to a close. The show will return to the streaming platform in January.

Vice Principals (HBO at 10:30) The school year comes to an end in the series finale.

Bethonie Butler