Friday’s TV talk shows

The Early Show Earth Day. (N) 7 a.m. KCBS

Today The royal wedding; violinist Hahn Bin; Daniel Radcliffe performs; John Larroquette. (N) 7 a.m. KNBC

Good Morning America Kirstie Alley; naturalist David Mizejewski; chef Mario Batali; Greyson Chance. (N) 7 a.m. KABC

Live With Regis and Kelly Kirstie Alley; Olivia Wilde; James Blunt performs; Josh Groban. (N) 9 a.m. KABC

The View Sherri’s birthday; Jaleel White; magazine editor Lucy Danziger; Charlie Wilson performs. (N) 10 a.m. KABC

The Doctors The real causes of ailments; losing baby weight. (N) 11 a.m. KCAL

The Talk Tyler Perry; adults living with autism; Justin Kanew; Zev Glassenberg; Michelle Stafford. (N) 1 p.m. KCBS

The Oprah Winfrey Show Chris Rock. (N) 3 p.m. KABC

Dr. Phil Parents trying to merge families. (N) 4 p.m. KCBS

The Ellen DeGeneres Show Gwyneth Paltrow; Darren Criss & the Warblers perform. (N) 4 p.m. KNBC

The Dr. Oz Show Body-dilemma diets; bulge in the bowel; unusual but effective remedies; a workout. 5 p.m. KTTV

Washington Week Debt limit: David Wessel, the Wall Street Journal. GOP efforts to blame Democrats for high gas prices: Coral Davenport, the National Journal. Voter pessimism: Dan Balz, the Washington Post. Libya: Martha Raddatz, ABC. (N) 8 p.m. KOCE

Tavis Smiley Robbie Robertson; Larry Flynt. (N) 11 p.m. KOCE

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

Late Show Danny McBride. 11:35 p.m. KCBS

The Tonight Show With Jay Leno Kourtney and Kim Kardashian; Fareed Zakaria; Mary Mary. 11:35 p.m. KNBC

Jimmy Kimmel Live Vin Diesel; Neve Campbell; Ellie Goulding. Midnight KABC

The Late Late Show With Craig Ferguson Diane Lane; Karen Gillan. (N) 12:37 a.m. KCBS

Late Night With Jimmy Fallon Magic Johnson; the Lonely Island; Joey Kola; Stephen Colbert. 12:37 a.m. KNBC

Last Call With Carson Daly Josh Radnor; the Brothers Strause; Cee Lo Green. 1:36 a.m. KNBC