Thursday’s Highlights: 'The Conversation With Amanda de Cadenet' on Lifetime
American Idol: Katy Perry and the tribute band the Queen Extravaganza perform on the results show (8 p.m. Fox).
30 Rock: The Tina Fey-Alec Baldwin sitcom about a late-night sketch show offers up another live outing replete with more surprise cameos (8:30 p.m. NBC).
Don’t Be Tardy for the Wedding: The nuptials of Kim Zolciak of “The Real Housewives of Atlanta” and NFL player Kroy Biermann are the subject of this spinoff series (9 p.m. Bravo).
Parks and Recreation: Paul Rudd reprises his role as Leslie’s (Amy Poehler) rival in the city council race (9:30 p.m. NBC).
Jesus Conspiracies: Noncanonical accounts of Mary Magdalene’s role in Jesus’ ministry are explored (10 p.m. Discovery).
7 Days of Sex: This new series offers couples tips for keeping things spicy in the boudoir (10 p.m. Lifetime).
The Costco Craze: Inside the Warehouse Giant: The super-size retailer gets the once-over in this new business documentary (6, 7, 9 and 10 p.m. CNBC).
Inside Punk’d: Go behind the scenes of the hit hidden-camera show in this new special (11 p.m. MTV).
Circle of Iron: “Kung Fu’s” David Carradine costars in this peculiar 1979 fantasy tale based on an idea by martial-arts legend Bruce Lee (6:20 p.m. TMC).
Baseball: The Angels play the Rays (10 a.m. FSN), and the Red Sox challenge the White Sox (5 p.m. WGN America).
Hockey: The NHL playoffs continue with conference quarterfinal action. Teams TBA (4 and 6:30 p.m. NBCSP).
2012 NFL draft: First-round coverage of pro football’s annual choose-a-thon gets underway in New York (5 p.m. ESPN).
Basketball: The Knicks battle the Bobcats (5 p.m. TNT), the Lakers take on the Kings (7:30 p.m. KCAL) and the Spurs visit the Warriors (7:30 p.m. TNT).
Photo: Steven Perilloux / Lifetime