On TV this Sunday: Once again, perhaps way too much, including the Screen Actors Guild Awards, the Magic Mirror’s magical backstory, an Oscar-winning Simpsons guest and a really great Good Wife. We’ve boiled it down to 13 options.

8 pm Screen Actors Guild Awards (TNT/TBS) | Modern Family, Dexter and 30 Rock lead the TV nominees; find the full list here.

8 pm Once Upon a Time (ABC) | Sidney enlists Emma to help expose Regina as the corrupt person she really is; King Leopold (The West Wing‘s Richard Schiff), who is the father of Snow White/husband of the Evil Queen, is granted three wishes when he stumbles upon a magic lamp. (Watch preview.)

8 pm Undercover Boss (CBS) | The president of Kendall-Jackson gets a bit of lip from a wine-y delivery driver. Think he tells him to put a cork in it? [Rimshot!]

8 pm The Simpsons (Fox) | Moe’s beloved bar rag — voiced by Academy Award winner/Borgias star Jeremy Irons — narrates his incredible thousand-year journey to Springfield.

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9 pm A Smile as Big as the Moon (ABC) | John Corbett (Parenthood), Jessy Schram (Falling Skies) and Cynthia Watros star in this Hallmark Hall of Fame movie about a high school football coach who fights to take a class of special-education students to NASA’s Space Camp.

9 pm Luck (HBO) | The horse-racing drama from David Milch/Michael Mann and starring Dustin Hoffman officially premieres with an encore of the pilot sneak-peeked last month. (Psst, tune in a few minutes early for an extended look at Game of Thrones Season 2 plus a tease for True Blood Season 5.)

9 pm The Good Wife (CBS) | Wendy Scott-Carr, as she presents her evidence to the grand jury in hopes of sending Will to prison, dares to call Alicia to the stand; Eli faces off again with Stacie Hall (Amy Sedaris). Need one more reason to tune in? There’s a very great slap.

9 pm Shameless (Showtime) | Fiona deals with the consequences of sleeping with Craig when his angry wife shows up at the door; Frank plots to scare recovering agoraphobic Sheila back indoors.

9 pm Downton Abbey (PBS) | Devastating news from the front rocks the very foundations of Downton Abbey; Vera Bates threatens to make public the scandalous story of Lady Mary’s ill-fated indiscretion.

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10 pm House of Lies (Showtime) | Marty is forced to bring his son to his next job in San Francisco; Jeannie reacts to her recent engagement by having a tryst with a musician she meets in a coffee house.

10 pm CSI: Miami (CBS) | When a skydiver is murdered, the CSIs discover that he has more than 100 children — and all of them are suspects. Elisabeth Rohm (Law & Order), Romy Rosemont (Glee) and Grant Gustin (Glee) guest-star.

10 pm Spartacus: Vengeance (Starz) | In case you missed/forgot Friday’s premiere, here’s an encore.

10:30 Californication (Showtime) | When Karen and Becca invite Hank to a dinner party, he has no choice but the bring along a recently resurfaced Carrie (Natalie Zea).

Which of the above is must-see for you? Also, hit Comments to offer your own tune-in suggestions!