SEX SENT ME TO THE ER: A doctor examines Jen's head as Gregg looks on worried that he nearly killed his girlfriend the first time they had sex. (Discovery Fit & Health/Discovery Fit & Health)

SERIES PREMIERE: In what will probably be this year’s most scarring hour on television, the four-part docu-series “Sex Sent Me to the ER” (TLC at 10 p.m.) tells the tale of painful mishaps in the bedroom through interviews and reenactments. Pardon me as I swallow the key to my chastity belt. Watch with caution.

If terrifying sexual accidents aren’t really your jam, “Knight Life With Gladys” (OWN at 10) will follow soul singer Gladys Knight as she records an album, goes on tour, records a song for a film and opens a restaurant. Looks like you have to pick your poison this Saturday night.

Tonight’s “SNL” (NBC at 11:30) is a repeat with Paul Rudd as host and musical guest One Direction.

Sunday talk shows: “Platts Energy Week” (WUSA at 7:30 a.m.) interviews Continental Resources’s Harold Hamm; “This Week in Defense News” (WUSA at 8) has deputy assistant secretary general for political affairs and security policy James Appathurai; “BioCentury This Week” (WUSA at 8:30) features Genetic Alliance's Sharon Terry; “Fox News Sunday” (Fox at 9) hosts former governor Howard Dean (D-Vt.) and American Enterprise Institute’s Scott Gottlieb; “White House Chronicle” (WETA at 9) has author Hedrick Smith; “State of the Union” (CNN at 9) features Democratic strategist Donna Brazile and CNN’s Ana Navarro.

“Government Matters” (WJLA at 9:30) hosts Hunch Analytics’s Aneesh Chopra; “This Week” (ABC at 10) features interviews and analyses on the year’s biggest game changers; “Newsmakers” (C-SPAN at 10) talks to American Federation of Teachers’s Randi Weingarten; “This Is America & the World” (WETA at 10 and WHUT at 6 p.m.) talks to Azerbaijani Ambassador Elin Suleymanov; “Meet the Press” (NBC at 10:30) has Reps. Darrell Issa (R-Calif.) and Joaquin Castro (D-Tex.); “Face the Nation” (CBS at 10:30) talks to The Washington Post’s Barton Gellman and NSA whistleblower Thomas Drake.

Sunday night, “Call the Midwife Holiday Special” (WMPT at 7:30 p.m.) airs to make you feel warm and fuzzy. While Shelagh (the former Sister Bernadette) gets ready for her wedding, Chummy plans the Cubs Christmas party. But wouldn’t you just know it — a polio outbreak sweeps the East End.

Telecast from the Kennedy Center’s Dec. 8 celebration in Washington, D.C., the “36th Annual Kennedy Center Honors” (CBS at 9) recognizes the careers of Martina Arroyo, Herbie Hancock, Billy Joel, Shirley MacLaine and Carlos Santana. Performers and presenters include Kathy Bates, Tony Bennett, Buddy Guy, Anna Kendrick, Rufus Wainwright and many more.

RETURNING SHOW: “Sister Wives” (TLC at 9) returns for its fifth season with the mothers celebrating Mother’s Day.

— Rachel Lubitz