Wednesday’s TV Highlights: ‘Comet of the Century’ on PBS

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This week’s TV Movies

SERIES

Comet of the Century PBS launches an evening of space related programs with a look at the fast approaching comet ISON. 7 and 10 p.m. KOCE That’s followed at 8 and 9 p.m. by episodes of “Nova” that look at the boundary between the upper atmosphere and space, and the threat (and potential benefits) of asteroids.

Revolution Charlie (Tracy Spiridakos) tries to show Rachel (Elizabeth Mitchell) how much she’s grown and Neville (Giancarlo Esposito) makes a proclamation to Jason (JD Pardo) in this new episode. 8 p.m. NBC

Arrow Oliver (Stephen Amell) investigates when a mysterious illness is infecting hundreds of people in the city, including Diggle (David Ramsey) in this new episode. 8 p.m. KTLA

The Middle At Thanksgiving, Axl (Charlie McDermott) wants to tell Frankie and Mike (Patricia Heaton, Neil Flynn) he’s dropped three classes, but he just isn’t sure how or when in this new episode. 8 p.m. ABC

The X Factor The top 10 finalists perform songs by U.K. artists in this new episode that features a performance by One Direction. 8 p.m. Fox

The Tomorrow People Stephen (Robbie Amell) tries using his newfound powers for good — good times, that is in this new episode. 9 p.m. KTLA

South Park The animated series’ “Game of Thrones” parody continues. 10 p.m. Comedy Central

TALK SHOWS

CBS This Morning Karen Nyberg; Nathan Myhrvold; Alfonso Cuarón; Jonás Cuarón. (N) 7 a.m. KCBS

Today Assassination of JFK; Trace Adkins performs; Thanksgiving and Hanukkah. (N) 7 a.m. KNBC

Good Morning America Jennifer Lawrence; Casey Affleck; chef Emeril Lagasse; Alexa Chung. (N) 7 a.m. KABC

Good Day L.A. Demi Lovato; Kristin Cavallari; Megan Hilty (“Sean Saves the World”); Gerri Willis; Carrie Underwood and Stephen Moyer (“The Sound of Music Live!”). (N) 7 a.m. KTTV

Live With Kelly and Michael Jennifer Lawrence; Chiwetel Ejiofor. (N) 9 a.m. KABC

The View Disneyland Resort; guest co-host Demi Lovato performs; Tim Allen; Cars Land. (N) 10 a.m. KABC

The Talk Molly Shannon; Susan Feniger; Nate Berkus. (N) 1 p.m. KCBS

The Queen Latifah Show Will Arnett; Queen performs a duet with Jewel. (N) 2 p.m. KCBS; 7 p.m. KCAL

The Dr. Oz Show Artificial sweeteners; Internet food rumors; food poisoning vs. stomach flu; rosacea. (N) 2 p.m. KABC

Dr. Phil A man’s mother has made accusations against his wife, including involvement in her other son’s death. (N) 3 p.m. KCBS

Steve Harvey Pastor Joel Osteen; Jorge Cruise. (N) 3 p.m. KNBC

Katie Sexual assault in the military; Shirley MacLaine; Alternatives for Girls. (N) 3 p.m. KABC

The Ellen DeGeneres Show Singer Fergie; author Kym Douglas. (N) 4 p.m. KNBC

The Doctors Achieving celebrity looks at home; Kyle Richards; Ali Larter; a potentially lifesaving skin exam. (N) 5 p.m. KCAL

To the Contrary With Bonnie Erbé Women’s health protection under the Affordable Care Act; Michelle Obama’s education initiative. (N) 6:30 p.m. KVCR

The Arsenio Hall Show Whoopi Goldberg (“Whoopi Goldberg Presents Moms Mabley”); Hill Harper; David Morrissey. (N) 11 p.m. KTLA

Tavis Smiley Jeffrey Wright. (N) 11 p.m. KOCE

Charlie Rose (N) 11 p.m. KVCR; 11:30 p.m. KOCE

The Daily Show With Jon Stewart Jennifer Lawrence. (N) 11 p.m. Comedy Central

Chelsea Lately Chris Franjola; Fortune Feimster; Whitney Cummings; Sam Claflin. (N) 11 p.m. E!

Conan Will Ferrell as Ron Burgundy; Jessie Ware. (N) 11 p.m. TBS

The Colbert Report M.I.A. (N) 11:30 p.m. Comedy Central

The Tonight Show With Jay Leno Blake Shelton; Kathie Lee Gifford and Hoda Kotb; Imelda May. (N) 11:34 p.m. KNBC

Late Show With David Letterman Howard Stern. (N) 11:35 p.m. KCBS

Jimmy Kimmel Live Idris Elba; chef Rene Redzepi; Chvrches performs. (N) 11:35 p.m. KABC

Late Night With Jimmy Fallon Will Forte; Charlie Wilson performs with the Roots. (N) 12:36 a.m. KNBC

The Late Late Show With Craig Ferguson Nikki Reed; Joe Zimmerman. (N) 12:37 a.m. KCBS

Nightline (N) 12:37 a.m. KABC

Last Call Mark Protosevich; David Finkel; Jonathan Wilson performs. (N) 1:36 a.m. KNBC