"Chuck" Sarah's ex-flame and partner, Bryce Larkin (Matthew Bomer), makes an unforeseen return and goes undercover with Sarah as an overly affectionate couple, much to a jealous Chuck's chagrin. At Buy More, Morgan tangles with strip-mall bullies, headed by the menacing Mitt (former NFL star Michael Strahan). Monday at 8 on NBC.
"Samantha Who?" In the second-season opener, Sam teams with her mom in a dance competition against Regina's nemesis (Cybill Shepherd) and her partner, who happens to be a ringer (Mark Ballas from "Dancing With the Stars"). Meanwhile, Todd is still in Sam's apartment because he's having trouble finding a new place. Monday at 9:31 on ABC.
"My Own Worst Enemy" Everyman Henry Spivey (Christian Slater) discovers his superspy alter ego, Edward Albright, in the premiere episode of this action-drama series. The implant in his brain that separates the two identities begins to malfunction, leaving each side fighting for dominance. Monday at 10 on NBC.
"Biggest Loser: Families" A temptation test leaves the players in the dark. Later, a challenge lasts from sunrise to sunset, and a contestant considers leaving the ranch. Tuesday at 8 on NBC.
"Fringe" Dangerous consequences of a man's peculiar ability to harness electricity draw the attention of Olivia, Peter and Dr. Bishop, whose unorthodox methods extend to including the use of homing pigeons to aid their investigation. Tuesday at 9 on Fox.
"General Hospital: Night Shift" In Part 1 of the two-part second-season finale, a comatose Robert is visited by old friends and family, including Mac, Luke, Sean and Tiffany. Elsewhere, Jagger is served custody papers; Toussaint receives a surprising letter; Claire makes a major career decision; and Kyle and Eric hit a turning point in their relationship. Tuesday at 11 on SoapNet.
"Pushing Daisies" Chuck, Emerson and Ned impersonate Vatican investigators when Olive suspects foul play at the convent in the death of a friend that was ruled a suicide. Wednesday at 8 on ABC.
"MLB Baseball:Game 5: Phillies at Dodgers" Philadelphia at Los Angeles Dodgers in Game 5 of the NL Championship Series. Wednesday at 8 on Fox.
"Presidential Debate" Presidential candidates John McCain (R) and Barack Obama (D) debate domestic issues at Hofstra University in Hempstead, N.Y. Bob Schieffer moderates. Wednesday at 8:50 on Fox News.
"Presidential Debate" Presidential candidates John McCain (R) and Barack Obama (D) debate domestic issues at Hofstra University in Hempstead, N.Y. Bob Schieffer moderates. Wednesday at 9 on ABC.
"Presidential Debate" Presidential candidates John McCain (R) and Barack Obama (D) debate domestic issues at Hofstra University in Hempstead, N.Y. Bob Schieffer moderates. Wednesday at 9 on CBS.
"Presidential Debate" Presidential candidates John McCain (R) and Barack Obama (D) debate domestic issues at Hofstra University in Hempstead, N.Y. Bob Schieffer moderates. Wednesday at 9 on NBC.
"Presidential Debate" Presidential candidates John McCain (R) and Barack Obama (D) debate domestic issues at Hofstra University in Hempstead, N.Y. Bob Schieffer moderates. Wednesday at 9 on PBS.
"Project Runway" The final designers are on pins and needles as the winning contestant is revealed in the conclusion of the Season 5 finale. Tim Gunn serves as the guest judge. Wednesday at 9 on Bravo.
"Presidential Debate" Presidential candidates John McCain (R) and Barack Obama (D) debate domestic issues at Hofstra University in Hempstead, N.Y. Bob Schieffer moderates. Wednesday at 9 on CNBC.
"Presidential Debate" Presidential candidates John McCain (R) and Barack Obama (D) debate domestic issues at Hofstra University in Hempstead, N.Y. Bob Schieffer moderates. Wednesday at 9 on CNN.
"Presidential Debate" Presidential candidates John McCain (R) and Barack Obama (D) debate domestic issues at Hofstra University in Hempstead, N.Y. Bob Schieffer moderates. Wednesday at 9 on MSNBC.
"CSI: Crime Scene Investigation" A hypnotist becomes the prime suspect in a murder case after she uses her expertise to rob banks and someone is killed during one of the heists. Jorja Fox reprises her role as Sara Sidle. Thursday at 9 on CBS.
"The Office" In preparation for Jan's delivery, Michael practices various potential birthing situations with Dwight. For Jan's benefit, Michael also gives the false impression that he dislikes Holly (Amy Ryan). Thursday at 9 on NBC.
"Saturday Night Live Weekend Update Thursday" A skewering of politics and topical news, revolving around the late-night show's "Weekend Update" segment. Thursday at 9:31 on NBC.
"Crusoe" In the premiere episode of this adaptation of Daniel Defoe's classic novel, Crusoe (Philip Winchester) sets sail for the New World in the hope of obtaining financial security. Instead, he finds himself nearly killed and stranded on a deserted island. Friday at 8 on NBC.
"NUMB3RS" Don investigates the execution of eight people, including two police officers, in a coffee shop. The probe uncovers a messy trail of corruption, blackmail and sex. Meanwhile, the FBI's McGowan digs deeper into his investigation of Don and Charlie. Friday at 10 on CBS.
"Crash" In the opener, a Korean man is murdered and Axel lands the case; Kenny and Bebe have a run-in with an attractive woman; and Christine's father falls ill during her 40th birthday party, and much to the dismay of her husband, she decides that they should take in the old man. Friday at 10 on Encore.
"Crash" In the opener, a Korean man is murdered and Axel lands the case; Kenny and Bebe have a run-in with an attractive woman; and Christine's father falls ill during her 40th birthday party, and much to the dismay of her husband, she decides that they should take in the old man. Friday at 10 on Starz.
"Hulk Hogan's Celebrity Championship Wrestling" Ten celebs compete for the title of Celebrity All-Star Wrestling Champion. Contestants include Danny Bonaduce, Todd Bridges, Dennis Rodman, Nikki Ziering and Tiffany. In the series opener, the competitors learn three wrestling skills: the clothesline, the forearm smash and the kick to the midsection. Brutus Beefcake and Brian "Nasty Boy" Knobs are the coaches. Saturday at 8 on CMT.
"Naked Brothers Band" The third-season opener finds the band making a movie, but the real drama occurs behind the scenes: Nat develops feelings for his costar, Miranda Cosgrove, while Alex gets nervous about having to kiss his pal Juanita on screen. Meanwhile, Rosalina tries to get herself written out of the script, and David, Thomas and Qaasim attempt to overthrow the director. Saturday at 8:30 on Nickelodeon.
"Living Proof" The true story of Dr. Dennis Slamon (Harry Connick Jr.), who helped develop the breast-cancer drug Herceptin. Slamon's difficulties in getting Herceptin through drug trials are chronicled, as are the struggles of the first women to take the medicine. Amanda Bynes, Tammy Blanchard, Jennifer Coolidge, Angie Harmon and Regina King costar. Saturday at 9 on Lifetime.
"Entourage" Vince works with a supermodel on a photo shoot for a major fashion house, and Ari seizes an opportunity at a funeral to boost his client's career. Sunday at 10 on HBO.
"Californication" Hank and Karen throw a dinner party that turns into a disaster when Hank butchers his marriage proposal to her. Also, there's a chance that Hank may be the father of their friend Sonja's child, and Lew almost winds up sleeping with the fishes after an allergic reaction to sushi. Sunday at 10 on Showtime.
"Brothers & Sisters" Determined to rid herself of reminders of her deceased husband and devote her time to a worthy cause, Nora plans a garage sale to peddle all of William's personal effects. Meanwhile, Robert tries to find a replacement for an important position; estranged siblings are reunited by a time capsule; and Holly begins a search for Ryan. Sunday at 10:01 on ABC.