Monday's TV Highlights: 'The Big Bang Theory' on CBS

Monday's TV Highlights: 'The Big Bang Theory' on CBS
Someone is mean to Penny (Kaley Cuoco-Sweeting) on "The Big Bang Theory" on CBS. (Sonja Flemming / CBS)

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The Walking Dead Leading up to the Oct. 15 Season 5 premiere of the hit zombie drama, fans and newbies wondering what all the fuss is about will have a chance to get up to speed with a marathon of the first four seasons, beginning Monday with the first episode, where Deputy Rick Grimes (Andrew Lincoln) wakes from a coma to discover his family missing and the world in the grips of a zombie apocalypse. 7 p.m. AMC

The Big Bang Theory Penny (Kaley Cuoco-Sweeting) is puzzled by the cool reaction she gets from Raj's (Kunal Nayyar) new girlfriend (Laura Spencer) in this new episode. Kevin Sussman, Jim Parsons, Johnny Galecki and Simon Helberg also star. 8 p.m. CBS

The Originals Klaus (Joseph Morgan) is ready to emerge from isolation and even the score with the Guerrera werewolves in the season premiere. 8 p.m. KTLA

Gotham A vigilante calling himself "The Balloonman" hooks bad guys to weather balloons and watches them float away, giving Gordon and Bullock (Ben McKenzie, Donal Logue) a challenge in trying to stop the murders. David Zayas guest stars in this new episode. 8 p.m. Fox

Star Wars Rebels The new animated series based on the theatrical franchise moves to its regular timeslot. 8 p.m. Disney XD

Supernatural The night before its 10th season officially begins the show's actors, writers and producers offer a preview of what's to come in new episodes and a look back at the first nine seasons. With Jared Padalecki, Jensen Ackles, Misha Collins and Mark Sheppard. 9 p.m. KTLA

POV In the Oscar-nominated documentary "The Act of Killing," the members of Indonesian death squads reenact the killings they've committed over many years, portraying themselves, and their victims. 10 p.m. KOCE


Hunted: The War Against Gays in Russia Gay actor Matt Bomer narrates filmmaker Ben Steele's startling expose of the rising tide of anti-gay assaults in Russia, where homosexuality was legalized 21 years ago, but gay people still have not won mainstream acceptance. 9 p.m. HBO


Dead Still After the death of his great-grandfather, a wedding photographer (Ben Browder) inherits an antique camera famous for its Victorian death photography. Ray Wise and Gavin Casalegno also star. 9 p.m. Syfy


CBS This Morning Football analyst Bart Scott; Willie Nelson. (N) 7 a.m. KCBS

Today Glenn Close; Bastille; Joshua Jackson; Ryan Phillippe; Luke Evans; Emily Ratajkowski; Joy Bauer. (N) 7 a.m. KNBC

Good Morning America (N) 7 a.m. KABC

Good Day L.A. Polo player Nacho Figueras. Dr. Oz; Ioan Gruffudd and Alana De La Garza ("Forever"). (N) 7 a.m. KTTV

Live With Kelly and Michael Matthew Broderick ("It's Only a Play"); Ansel Elgort. (N) 9 a.m. KABC

The Dr. Oz Show Cancer risks; misleading menus. (N) 10 a.m. KCOP; 2 p.m. KTTV

The Doctors A new mosquito-borne virus causes painful side effects; anesthesia. (N) 11 a.m. KCAL

The Talk Susan Boyle; Shelley Wade; Tiffany Derry. (N) 1 p.m. KCBS

Rachael Ray David Muir. (N) 1 p.m. KABC

The Queen Latifah Show Dr. Drew Pinsky; Norman Reedus ("The Walking Dead"). (N) 2 p.m. KCBS

The Meredith Vieira Show Kate Walsh; Charles Esten. (N) 2 p.m. KNBC

Dr. Phil Sisters think the "heiress" their father met online is a catfish. (N) 3 p.m. KCBS

Steve Harvey Kym Whitley. (N) 3 p.m. KNBC

The Ellen DeGeneres Show (N) 4 p.m. KNBC

Charlie Rose (N) 11 p.m. KVCR; 12:30 a.m. KOCE

The Daily Show (N) 11 p.m. Comedy Central

Conan Dwayne Johnson. 11 p.m. TBS

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

The Tonight Show Starring Jimmy Fallon Jeremy Renner; Carol Burnett; Mario Batali; Joe Perry. (N) 11:34 p.m. KNBC

Late Show Aziz Ansari; Tom Dreesen; Jackson Browne performs. (N) 11:35 p.m. KCBS

Jimmy Kimmel Live 11:35 p.m. KABC

Tavis Smiley Author Chimamanda Ngozi Adichie. (N) midnight KOCE

Late Night James Spader; Rachel Dratch; La Roux performs. (N) 12:36 a.m. KNBC

The Late Late Show With Craig Ferguson Daniel Radcliffe. 12:37 a.m. KCBS

Last Call With Carson Daly J.K. Simmons; Best Coast performs; Willis Earl Beal. (N) 1:37 a.m. KNBC