Thursday April 28 - Primetime

ABC
8 - 20/20: The Royal Wedding (new)
9 - Grey's Anatomy (new)
10 - Private Practice (new)

CBS
8 - The Big Bang Theory (new)
8:30 - Rules of Engagement (new)
9 - CSI: Crime Scene Investigation (new)
10 - The Mentalist (new)

NBC
8 - Community (new)
8:30 - The Office (repeat)
9 - The Office (new)
9:52 - Parks and Recreation (new)
10:30 - 30 Rock (new)

FOX
8 - American Idol (new)
9 - Bones (new)


Other highlights
8 - Vampire Diaries (new) - CW
9 - Nikita (new) - CW
9 - Swamp People (new) - History
10 - Real Housewives of New York City (new) - Bravo

Sports
7 - NBA Playoffs: Philadelphia 76ers at Miami Heat - TNT
7 - NHL Playoffs: Montreal Canadiens at Boston Bruins - Versus
8 - NFL Draft: Round 1 - ESPN
9:30 - NBA Playoffs: Denver Nuggets at Oklahoma City Thunder - TNT

Late night
Conan: Seth Rogan, Brittany Snow and music by Lykke Li (repeat)
Letterman: Phil McGraw, Chris Hemsworth and music from "Catch Me If You Can" (new)
Leno: Chelsea Handler, Judd Apatow and music by OK Go (new)
Kimmel: Sofia Vergara, Manny Pacquiao and music by Airborne Toxic Event (new)