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We’ve rounded up the best of Sunday night for you, so settle in and watch the drama unfold! First, follow along as Once Upon A Time tweets live during the episode, then get wrapped up in the twisty world of Revenge, and tune in for the most intense hour yet on Homeland. Plus, scroll down for the dirt on 666 Park Avenue, The Good Wife, and Boardwalk Empire. 

Once Upon A Time (8/7c on ABC)
Lancelot (Sinqua Walls) makes his BIG debut on tonight’s episode of Once Upon A Time. Follow along as Walls tweets live from 8 to 9 p.m. PT about all that’s happening in the Enchanted Forest. @sinquawalls  #OnceUponATime 

Revenge (9/8c on ABC)
As Ems (Emily VanCamp) digs deeper to find the truth about her mother, she knows the one person who can help is Victoria Grayson (Madeleine Stowe). Like they say: Keep your friends close and your enemies closer. Plus, we discover a little bit more about international man of mystery, Aiden Mathis (Barry Sloane).

666 Park Avenue (10/9c on ABC)
Jane (Rachael Taylor) is finally catching on to her new haunt, The Drake. But while her visions (or are they dreams?) become downright deadly, her beau Henry (Dave Annable) can’t see a thing. “He falls into the trap,” Annable told InStyle.com of his growing relationship (solidified tonight!) with Drake owner Gavin Doran (Terry O’Quinn).

The Good Wife (9/8c on CBS)
When a journalist uncovers a hotel receipt, the truth about Alicia (Julianna Margulies) and Will’s (Josh Charles) affair threatens to come out. Can they keep a lid on it or will their secret ruin Peter’s (Chris Noth) campaign?

Homeland (10 p.m. EST on Showtime)
Brody (Damian Lewis) gets down and dirty on tonight’s Homeland when he has an unwelcome reunion with his Gettysburg bomb maker. Meanwhile, Saul’s discovery about Brody’s identity bring things full circle, and right back to Carrie (Claire Danes).

Boardwalk Empire (9 p.m. EST on HBO)
The charming Ms. Kent (Meg Chambers Steedle) lures Nucky (Steve Buscemi) away just as things are heating up at home and Margaret (Kelly Macdonald) moves full steam ahead with her campaign for women’s health education.

Plus, see more of our favorite TV shows.

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— Angela Salazar, with reporting by Janelle Grodsky