TiVo Guide Week of October 19, 2009 *spoiler alert*

“Arthur” Mrs. MacGrady has cancer: Arthur and D.W. take her chicken soup and stuffed animals; Muffy pretends nothing has changed; and an upset Francine can't bring herself to visit. Lance Armstrong makes a special appearance to teach Francine and the others what they can do for cancer survivors. Monday at 7 on PBS.

“Gossip Girl” Vanessa hopes to impress her mother (Gina Torres) by delivering NYU's freshman toast, but she has to compete with Blair to win this honor. Meanwhile, Dan introduces Olivia to Lily and Rufus, and Serena and Nate join forces to help out Carter. Monday at 9 on The CW.

“Dancing With the Stars” The fifth-round results show. Included: a tribute to Michael Jackson. Tuesday at 9 on ABC.

“Melrose Place” Former Melrose Place resident Jo Reynolds (Daphne Zuniga) photographs Riley for the Anton V campaign; Jonah meets with a sexy film executive (Jenna Dewan), who asks him to join her for a late-night drink; Lauren learns about David's secret. Tuesday at 9 on The CW.

“Law & Order: Special Victims Unit” The prime suspect in a child-rape case seeks amnesty by offering to give up the leader of a civil-rights group that supports child-adult sexual relationships. Eva Banks: Rosie Perez. Wednesday at 9 on NBC.

“Top Chef: Las Vegas” The galloping gourmets take on the sprawling and time-tested "Restaurant Wars" challenge, in which they must manage all aspects of a restaurant owned by "Top Chef Masters" player Rick Moonen. The tasks include serving, cooking and hosting. Moonen serves up a guest-judge turn. Wednesday at 10 on Bravo.

“FlashForward” Mark fields questions from the Senate Intelligence Committee about his flash-forward during a hearing about funding Wedeck's team. In other events, Janis ponders how her flash-forward will impact her current relationship and Olivia receives information about Mark's flash-forward. Thursday at 8 on ABC.

“The Office” Jim and Pam return from their honeymoon, only to get walloped with stunning news regarding the identity of Michael's newest sweetheart. Meanwhile, Dwight delivers a bizarre peace offering to Jim in an effort to make amends for years of torment. Thursday at 9 on NBC.

“Smallville” Oliver is kidnapped by a woman named Victoria (Steph Song), aka Roulette, who warns him his life is in danger. Later, Oliver is arrested after Victoria is found dead, prompting him to seek help from Chloe. Meanwhile, Lois is upset with Clark for not telling her about Oliver's attempted suicide. Friday at 8 on The CW.

“Dollhouse” Sierra's introduction to the Dollhouse is revealed when she faces her connection to the Rossum Corporation, a link that leads to obsession and murder. Matthew Harding: Keith Carradine. Friday at 9 on Fox.

“Penguins of Madagascar” The animated adventures of four Central Park Zoo penguins with commando skills. Based on characters from the DreamWorks film 'Madagascar.' Saturday at 11 on Nickelodeon.

“Always and Forever” Former high-school sweethearts Grace and Michael (Rena Sofer and Dean McDermott) reconnect at their 20-year high-school reunion. Sparks fly, but the pair are hesitant to jump into a relationship that already failed once. Grace's mom (Barbara Eden), meanwhile, is quick to offer her two cents on her daughter's romantic woes. Max Gail and Rob Boltin also star. Directed by Kevin Connor. Saturday at 9 on Hallmark.

“Desperate Housewives” Susan and Katherine fight (literally) over Mike; Angie and Nick cover up the result of Danny's lapse in judgment; Gaby is determined to show that she's a good mother; a motel maid castigates Bree for her affair with Karl; and Lynette is annoyed when a handyman consistently seeks Tom's approval (and not hers) of his work. Sunday at 9 on ABC.

“Brothers & Sisters” Sarah's new beau, a French artist named Luc (Gilles Marini), makes an instant impression on the Walkers; Robert does his best to take Kitty's mind off her illness; Kevin and Scotty's debate over starting a family takes an interesting turn. Sunday at 10:01 on ABC.