TiVo Guide Week of April 13, 2009 *spoiler alert*

“The Big Bang Theory” Penny is romanced by a friend of the guys' while at a comic-book store. Meanwhile, Leonard and Wolowitz search for love at a bar's ladies' night. Monday at 8 on CBS.

“Heroes” Angela delves into her past and reveals long-held secrets. Elsewhere, Mohinder finds out that his dad was involved in an old government operation. Monday at 9 on NBC.

“Medium” When a shooter guns down Allison and Devalos, Allison awakens five years earlier in her own past---and nine months pregnant with third child Marie. Now in 2004, Allison's weaving dreams inform her that an innocent man will be convicted of murder, so she works to clear his good name. Monday at 10 on NBC.

“Biggest Loser: Couples” The players receive makeovers with guidance from Tim Gunn, Tabatha Coffey and Brandon Martinez. Elsewhere, a player sustains an injury that will affect her workouts, and the contestants reach new heights in the challenge. Tuesday at 8 on NBC.

“90210” Donna Martin (Tori Spelling) shocks Kelly and Silver with a surprise visit. While in town, Donna agrees to design a dress for Oscar-winning screenwriter Diablo Cody (playing herself). Elsewhere, Annie and Dixon revisit Dixon's past over spring break; and Ethan, Naomi and Liam volunteer for Habitat for Humanity. Tuesday at 9 on The CW.

“Pretty Wicked” The women are under fire when they perform comic roasts of one another---but some may not take kindly to the hurling insults. Tuesday at 10 on Oxygen.

“America’s Next Top Model” Ciara surprises the models at their apartment and they join her on stage for a photo shoot. At panel, Tyra reveals the overseas location. Wednesday at 8 on The CW.

“Bones” When a bride-to-be's body is found in a bundle of compressed cardboard at a recycling facility, Brennan and Booth use records from a cell-phone dating service to search for suspects from a long list of potential suitors. Meanwhile, Sweets' girlfriend, Daisy, is spotted shopping for a wedding dress. Wednesday at 8 on Fox.

“Bravo’s A-List Awards” Kathy Griffin hosts the second annual gala, which salutes artistic spirits in pop culture and various creative fields, including fashion, beauty, design and cuisine. Recorded April 5, 2009, at the Orpheum Theatre in Los Angeles. Wednesday at 10 on Bravo.

“Samantha Who?” Sam goes into debt after losing big in Las Vegas, but running into her ex-boss, billionaire Winston Funk (Billy Zane), may get her out of a jam. Meanwhile, Dena and Andrea ask favors of each other. Thursday at 8:30 on ABC.

“CSI: Crime Scene Investigation” Hodges and Wendy run into one another at a science-fiction convention, where they investigate a beloved actor's murder. Thursday at 9 on CBS.

“30 Rock” Saddled with a suspension from work, a lost Liz misses all the "TGS" chaos and seeks a way to bide her time. Meanwhile, film bigwigs mull over pulling the plug on Jenna's Janis Joplin movie, so Jack and Jenna try (just a little bit harder) to stir up buzz. Thursday at 9:31 on NBC.

“Suite Life on Deck” Zack falls for a girl with amnesia who may be a mermaid; Cody organizes a "green" initiative on the ship when he realizes how many towels are being used by passengers. Friday at 8 on Disney.

“SpongeBob SquarePants” While stranded on a remote island, SpongeBob and his pals seek out surf guru Jack Kahuna Laguna (voice of Johnny Depp), hoping he can teach them how to surf "The Big One"---a challenging wave that will transport them home. Friday at 8 on Nickelodeon.

“Prison Break” Michael and Sara hitchhike to Miami, and Lincoln meets with Christina (Kathleen Quinlan), who tells him of her plan to take over the Company and warns him not to meddle in it. Meanwhile, a new foe challenges Pad Man, and T-Bag and Self find something they weren't expecting when they search for Scylla. Friday at 9 on Fox.

“Grey Gardens” Drew Barrymore and Jessica Lange headline this fact-based drama centered on two eccentric relatives of Jackie Kennedy-Onassis who served as the subject of David and Albert Maysles' similarly titled 1975 documentary. The film tells the story of Big Edie and Little Edie, the aunt and cousin of Kennedy-Onassis respectively. The reclusive socialites made headlines when the health department threatened to raid their flea-and-raccoon-infested East Hampton, N.Y., mansion in the early 1970s. Saturday at 8 on HBO.

“Flying By” A real-estate developer (Billy Ray Cyrus) reunites with his old band and rediscovers his passion for music. Soon, he faces a difficult choice: pursue his musical dreams or give them up for the sake of his family and career. Heather Locklear also stars. Saturday at 8 on LMN.

“The Locator” A man looks for his brother, who was given up for adoption by their mother when she was a teenager. Despite his mom's wishes to keep her firstborn out of the family, her younger son wants to establish a relationship with his long-lost brother. Saturday at 9 on WE.

“Sit Down, Shut Up” In the pilot of the animated comedy about dysfunctional high-school faculty in a northeastern fishing town, Knob Haven High has money problems, and the pressure is on to win the big football game and spur alumni donations. Meanwhile, pills confiscated from a student's locker put the "vice" in vice principal when they become part of his daily regimen. Sunday at 8:30 on Fox.

“Desperate Housewives” The housewives reminisce about Edie: Susan recalls the first time they met; Lynette looks back on a night to remember; Gaby remembers a night of friendly competition; and Bree is reminded of her thoughtfulness toward Orson. Sunday at 9 on ABC.

“Knights of Bloodsteel” Part 1 of 2. A vigilante (David James Elliott) unites five unlikely heroes to protect a magic metal called Bloodsteel, a precious resource that's been squandered. Now, an outlaw, an elf wizard, a con man, a goblin and a bounty hunter fight to preserve the commodity. Christopher Lloyd, Natassia Malthe, Dru Viergever, Christopher Jacot. Sunday at 9 on Sci Fi.