What to Watch Thursday: Anthony Edwards in Zero Hour, 'Wemma's Wedding, Suits and More

ADDISON TIMLIN, SCOTT MICHAEL FOSTER, CARMEN EJOGO, ANTHONY EDWARDSOn TV this Thursday: Zero Hour is upon us, Glee walks a core couple down the aisle, Community celebrates Halloween (of course) and we get a big step closer to crowning the next American Idol. As a supplement to TVLine’s original features (linked within), here are 10 programs to keep on your radar.

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8 pm Zero Hour (ABC) | Series premiere: Anthony Edwards (ER) returns to TV in this mythology-driven adventure about a magazine editor whose wife (Jacinda Barrett, Suits) is abducted after a clock she buys at a flea market turns out to hold a treasure map. And then it gets really, really nutty. Like, The Boys from Brazil meets Indiana Jones meets The Da Vinci Code nutty. Michael Nyqvist (Girl With the Dragon Tattoo), Scott Michael Foster (Greek) and Carmen Ejogo (Kidnapped) co-star. (Read our First Impression.)

8 pm American Idol (Fox) | The Top 40 singers are revealed.

8 pm Community (NBC) | The study-group members make an unexpected trip to Pierce’s mansion on Halloween, where they encounter some scary stuff indeed.

8:30 pm Parks and Recreation (NBC) | Leslie and Ben’s plans for a black-tie fundraiser for their park are derailed by a city-wide emergency response drill.

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9 pm Grey’s Anatomy (ABC) | Owen makes some tough decisions – including foregoing an expensive surgery that could save a child’s life — as the hospital careens toward financial ruin.

9 pm Beauty and the Beast (The CW) | Cat and Vincent don’t know whether they can trust Alex with the complete truth about Vincent’s past. (Seeing as this is guest star Bridget Regan’s last episode, they’d better decide and quick! Check out our First Look at tonight’s episode.)

9 pm Glee (Fox) | Will and Emma’s wedding day is finally here! See which former New Directions members will be back for the Valentine’s Day affair.

9 pm Person of Interest (CBS) | Alias‘ Mia Maestro guest-stars as a hotel maid whose life is in danger – and Reese and Finch are stymied by the sheer number of people who may be out to harm her.

9 pm Comic Book Men (AMC) | Midseason premiere: The Stash sell an independent comic book in order for the guys to see a costumed MMA fight. Also, Walt buys a couple of pairs of “nostalgic underwear.” (Yeah, I don’t know what that is, either.)

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10 pm Suits (USA Network) | Dana “Scottie” Scott (played by Mad Men alum Abigail Spencer) returns to complicate Harvey and Jessica’s battle against Hardman. And this time, she’s brought her entire firm.

Hit the comments with your must-see picks from tonight’s lineup!