from Flickr user riptheskull
Here's the start (I'll update as I learn more) of a list of local spots open on Thanksgiving.
Capital City (1050 Bladensburg Road): Open from 7am until noonish. Serving chiecken and waffles, turkey dinner, and turkey sandwiches.
Argonaut Tavern (1433 H Street): Opens at 7pm (downstairs only, and kitchen closed)
Smith Commons (1245 H Street): Open.
The Pug (1234 H Street NE): Opens at 9pm.
Sticky Rice (1224 H Street): Opens at 7:30pm. No food. Drink specials include $5 Jameson shots and $2 PBRs.
Little Miss Whiskey's (1104 H Street): Opens at 2pm for a potluck. Email them to tell them what you are bringing reservations[at]littlemisswhiskeys.com
The Big Board (421 H Street): Opens at 7pm. Serving fried turkey legs, cranberry sauce, mashed potatoes, and gravy.
Sova (1359 H Street)
Rock and Roll Hotel (1353 H Street)
H Street Country Club (1335 H Street)
Toki Underground (2nd floor 1234 H Street)
XII (1123 H Street)
Taylor Gourmet (1116 H Street)
The Atlas Room (1015 H Street)
Ethiopic (401 H Street)
Please feel free to leave updates in the comments.