Once Upon a Time (8pm, ABC) - Emma learns more about Henry's theories and the people of Storybrooke, while Mayor Regina uses a gift of apples to encourage her to leave the town. In the fairytale world, the Evil Queen makes a deal with Rumplestiltskin (Robert Carlyle, left) to get the curse she needs.

The Simpsons (8pm, Fox) - In Treehouse of Horror XXII, Homer gets his arm caught in a boulder in an isolated canyon, where's paralyzed by can communicate via natural gases. Mountain climber Aron Ralston provides his own voice.

Allen Gregory (8:30pm, Fox) - A new animated series about an arrogant and mature-beyond-his-years seven-year-old (voiced by Jonah Hill) who must attend public school after one of his fathers makes a bad investment. Check out Adrienne's review.

The Walking Dead (9pm, AMC) - The group await Shane's return from the school, unaware that he's trapped and surrounded by zombies. Meanwhile, Daryl and Andrea continue to scour the woods for Sophia.

The Good Wife (9pm, CBS) - It's the season of the ex-wife on "The Good Wife." This time, Eli's ex (Parker Posey) asks him to vet her for a possible political campaign.

Case Histories (9pm, UNC-TV) - The third episode in this series finds Scottish PI Jackson Brodie acquiring a teen partner (Gwyneth Keyworth) who wants him to find her missing employer in exchange for having saved his life after he's involved in a train wreck. Based on the stories of Kate Atkinson.

Homeland (10pm, Showtime) - Carrie believes her suspicions about Brody may be proven correct when he confronts the sole survivor of the insurgents who held him hostage. But the reunion ultimately raises even more questions. This series, filmed partially in Charlotte, was just renewed for a second season.

Pan Am (10pm, ABC) - Katie is given a difficult mission involving Yugoslavian diplomat Niko Lonza (Goran Visnjic), and Maggie fights to keep her job after she's accused of insubordination.

Once Upon a Time (8pm, ABC) - A great new show! The destiny of a woman (Jennifer Morrison, "House") unfolds as the only hope for a Maine town where fairytale characters live under a spell, unaware of their true identities. Ginnifer Goodwin (left, "Big Love") plays Snow White. Read my review and then watch it!

The Walking Dead (9pm, AMC) - Rick possibly stumbles upon another safe spot while looking for help for someone injured in their group. Later, Shane heads off on a dangerous mission for medical supplies.

The Good Wife (9pm, CBS) - Alicia is forced to rely on testimony from convicted killer Colin Sweeney (Dylan Baker) when the key witness in a case commits suicide. Meanwhile, Eli makes some big political moves on Peter's behalf.

Masterpiece Mysteries: Case Histories (9pm, UNC-TV) - The second episode finds Jackson the lone witness to a possible drowning in the Firth of Forth, but has little to go on beyond the victim's earrings.

Against the Wall (9pm, Lifetime) - Two new episodes close out the first season. In the first episode, Abby and Linda investigate allegations of dangerous hazing at a Chicago police-recruitment facility. In the second episode, the wife of Don's former partner is shot dead and the husband is the chief suspect.

Boardwalk Empire (9pm, HBO) - After introducing a surprise speaker at a Memorial Day event, Nucky senses his opposition starting to crumble. Also, Richard has a soul-searching experience in the woods before going back to work with Jimmy.

Dexter (9pm, Showtime) - Gellar and Travis' latest disturbing tableau has Dexter questioning matters of faith. Meanwhile, Homicide uncovers that the killings are motivated by religion, and Debra gives her first press briefing.

Homeland (10pm, Showtime) - Political powers make big plans to promote Brody as a national hero, but erratic behavior on his part threatens his media image.

The Walking Dead (9pm, AMC) - In tonight's 90-minute Season 2 premiere, Rick and the group leave Atlanta and encounter a zombie threat on a highway, the likes of which they have never seen. Shortly after, the group must search for a missing person. Here's my full review of tonight's episode.

Masterpiece Mystery: Case Histories (9pm, UNC-TV) - The first of three "Case Histories" adapted from the popular Kate Atkinson novels finds Edinburgh, Scotland, private investigator Jackson Brodie (Jason Isaacs, left) looking into a 30-year-old missing persons case, investigating the murder of a young woman, and locating the niece of a seductress.

The Good Wife (9pm, CBS) - Alicia takes a pro bono case in which a witness becomes the prime suspect. Meanwhile, Will and Diane plot the firm's direction and their futures.

Boardwalk Empire (9pm, HBO) - Philadelphia gangsters may prove to be more important middlemen for rival factions to get booze into and out of Atlantic City. Meanwhile, Nucky's lawyer hatches an idea to expand the scope of his election-fraud case, and Chalky still feels like a prisoner, even though he's out of jail.

Dexter (9pm, Showtime) - A serial killer from Dexter's past makes a shocking reappearance, and Debra has problems settling into her new job.

Homeland (10pm, Showtime) - An exclusive television interview will thrust the Brody family into the national spotlight, unless Dana pulls off her plan to sidetrack the whole bogus process. Elsewhere, Carrie's embedded operative in Prince Farid's camp gets trapped in a chilling situation.

Pan Am (10pm, ABC) - A last-minute change sends the crew to exotic Rangoon, where Maggie takes Laura under her wing, showing her the wilder side of the city.