What to Watch Thursday: Grey's Goes Celibate, Suits Returns, a Wonderland Mission and More

greys325On TV this Thursday: Grey’s Anatomy says “No” to (some) sex, Wonderland dives back down the rabbit hole, Reigns heading for a wedding and Harvey Suits back up. 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 Once Upon a Time in Wonderland (ABC) | Spring premiere: Lizard releases the Knave, sending Alice & Co. on a rescue mission; Jafar searches for the mysterious Jabberwock (Peta Sergeant, The Originals). (Get scoop on Season 1B.)

8 pm The Big Bang Theory (CBS) | Bernadette tries to establish peace between Sheldon and Wolowitz, while Penny receives a humiliating offer.

8:30 pm Parks and Recreation (NBC) | Leslie tries to take down the wall separating Eagleton and Pawnee, and Ron discovers a new hobby.

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9 pm Suits (USA Network) | Spring premiere: Things get complicated when Harvey gets caught between Jessica and Scottie, while Mike is plagued by painful memories. (Watch a sneak peak.)

9 pm Grey’s Anatomy (ABC) | A non-fraternizing rule is implemented at the hospital, causing many couples to panic — because this is, after all, Grey+Sloan Memorial fka Seattle Grace. Fraternizing is what they do.

9 pm Hollywood Game Night (NBC) |  Community‘s Yvette Nicole Brown, Parks and Rec‘s Adam Scott, White Collar‘s Tiffani Thiessen, Anthony Anderson, Gary Dell’Abate and Pete Wentz are on hand as two champion players return.

9 pm Saint George (FX) | Series premiere: George Lopez stars as a divorced, working-class father who struggles to balance his job with the demands of his culturally-diverse family. Danny Trejo (Sons of Anarchy) David Zayas (Dexter), Jenn Lyon (Justified) and Diana Maria Riva (The Bridge) all star.

9:30 pm The Crazy Ones (CBS) | Simon’s want for grandkids leads him to interfere with Sydney’s new relationship; Zach and Andrew try working with other partners.

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10 pm Elementary (CBS) | Holmes and Watson are consulted after a man accused of killing his wife years ago receives a ransom note demanding her safe return.

10 pm Sirens (USA Network) | Series premiere: Adapted by Denis Leary (Rescue Me) and Bob Fisher (Wedding Crashers), this racy comedy tails three Chicago EMTs who must save lives, all while keeping their self-destructive lives in check. Michael Mosley (Castle), Kevin Daniels (Modern Family) and Kevin Bigley (Game Change) star.

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