Wednesday’s TV talk shows

The Early Show Emma Thompson; chef Kathie Lee. (N) 7 a.m. KCBS

Today (N) 7 a.m. KNBC

KTLA Morning News Jenna Fischer (“The Office”). (N) 7 a.m. KTLA

Good Morning America The importance of colonoscopies; identity theft. (N) 7 a.m. KABC

Good Day L.A. (N) 7 a.m. KTTV

Live With Regis and Kelly Maggie Gyllenhaal (“Nanny McPhee Returns”); “Yo Gabba Gabba!” characters perform. (N) 9 a.m. KABC

The View Martha Stewart; Christina Hendricks; Shirley Sherrod; Ali Wentworth. 10 a.m. KABC

The Doctors Teens getting neurotoxin injections; choking hazards; whether childhood obesity is abuse. (N) 11 a.m. KCAL

The Oprah Winfrey Show 3 p.m. KABC

Dr. Phil 4 p.m. KCBS

The Dr. Oz Show 5 p.m. KTTV

Tavis Smiley Florida Gov. Charlie Crist; John Mellencamp performs. (N) 7 and 11 p.m. KCET

The Daily Show With Jon Stewart Author Edward Kohn (“Hot Time in the Old Town”). (N) 11 p.m. Comedy Central

Chelsea Lately Jennifer Aniston. (N) 11 p.m. E!

Lopez Tonight Michelle Rodriguez (“Machete”); Ted Nugent performs. (N)11 p.m. TBS

Charlie Rose A look at the U.S. Senate: George Packer; Al Hunt. (N) 11:30 p.m. KCET

Late Show With David Letterman Nicolas Cage; Steel Train performs. 11:35 p.m. KCBS

The Tonight Show With Jay Leno Don Rickles; Dwyane Wade; KISS performs. 11:35 p.m. KNBC

Jimmy Kimmel Live Jerry O’Connell; Carla Gugino; T.I. performs. (N) 12:06 a.m. KABC