Late, and after #4 for each they're all kinda tied and hard to rank, but....
TV SHOWS
1. Breaking Bad
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2. Archer
3. Community
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4. Homeland
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5. The Daily Show
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6. Key & Peele
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7. Veep
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8. Mad Men
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9. Happy Endings
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10. Girls
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Honorable Mention: Parenthood, Game of Thrones, Luther, Fringe, Walking Dead, Parks and Rec, Late Night with Jimmy Fallon, Raising Hope, The New Girl
MOVIES
1. Django Unchained
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2. Beasts of the Southern Wild
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3. Sleepwalk with Me
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4. Seven Psychopaths
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5. Cabin in the Woods
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6. Safety Not Guaranteed
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7. Argo
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8. Moonrise Kingdom
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9. The Master
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10. Paul Williams: Still Alive
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Honorable Mention: Avengers, Chronicle, Smashed, Bernie, Shut Up and Play the Hits, Searching for Sugar Man, Killing Them Softly
EDIT: Just saw Zero Dark Thirty and holy crap it would've been in the top 5 at least if I'd seen it in time
BOOKS (not necessarily published in 2012, just that I *read* in 2012 for the first time)
1. Ready Player One by Ernest cline
2. Saga by Brian K. Vaughan
3. Where'd You Go, Bernadette by Maria Semple
4. Hawkeye by Matt Fraction
5. Lost Everything by Brian Francis Slattery
6. The Marriage Plot by Jeffrey Eugenides
7. By Blood by Ellen Ullman
8. My Two Moms by Zach Wahls
9. Love Is a Mixtape by Rob Sheffield
10. Gone Girl by Gillian Flynn
MUSIC
1. The Spring Standards
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2. Alabama Shakes
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3. The Avett Brothers
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4. Lord Huron
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5. Of Monsters and Men
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6. Josh Rouse and the Long Vacations
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7. Childish Gambino
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8. Michael Kiwanuka
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9. Carolina Chocolate Drops
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10. Hurray for the Riff Raff
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Honorable Mention: Spirit Family Reunion, The Roots, Frank Ocean, History of Painters, Joshua James, Jones Street Station, Heath McNeese, Josh Ritter, The Oh Hellos, The Punch Brothers, Brooklyn Rider, This Girl, Lone Bellow, Ben Folds Five